.rtb-stack-section{
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    padding: 100px 0 100px 0;
}
.rtb-stack-section-blue{
    background-color: #221543;
    color: #fff;
}
.rtb-stack-section-grey{
    background-color: #F7F9FD;
}

.rtb-stack-header{
    margin-bottom: 100px;
    font-family: 'AvenirNextCyr-Bold';
}
.rtb-stack-header.text-center .rtb-stack-header-text:last-child{
    margin: 0 auto;
}
.rtb-stack-header.text-center .rtb-stack-header-text{
    margin: 0 auto 24px auto;
}
.rtb-stack-header-text{
    font-size: 56px!important;
    line-height: 1.5!important;
    margin-bottom: 24px!important;
    max-width: 900px;
}
.rtb-stack-header-text:last-child{
    margin-bottom: 0;
}
.rtb-stack-header.text-center .rtb-stack-header-description{
    margin: 0 auto;
}
.rtb-stack-header-description{
    max-width: 552px;
    font-size: 24px;
    line-height: 36px;
}

.rtb-stack-main{
    padding: 120px 0;
}
.rtb-stack-main-header h1{
    font-weight: bold;
    font-size: 96px;
    line-height: 120%;
    margin-bottom: 0;
    color: #fff;
    font-family: 'AvenirNextCyr-Bold';
}
.rtb-stack-main-header-info{
    font-size: 24px;
    line-height: 150%;
}
.rtb-stack-main-header{
    margin-bottom: 55px;
}
.rtb-stack-main-text {
    margin-bottom: 94px;
    max-width: 525px;
}
.rtb-stack-main-text p{
    font-weight: bold;
    font-size: 30px;
    line-height: 41px;
}
.rtb-stack-main-footer{}


.rtb-stack-multipurpose{}
.rtb-stack-multipurpose-box{
    padding: 30px;
    box-sizing: border-box;
    height: calc(100% - 30px);
    margin-bottom: 30px;
    max-width: 100%;
    background-color: #fff;
    box-shadow: 0px 100px 80px rgba(0, 0, 0, 0.04), 0px 36.5016px 29.2013px rgba(0, 0, 0, 0.0275993), 0px 17.7209px 14.1767px rgba(0, 0, 0, 0.0222516), 0px 8.6871px 6.94968px rgba(0, 0, 0, 0.0177484), 0px 3.43489px 2.74791px rgba(0, 0, 0, 0.0124007);
    border-radius: 10px;
    min-height: 298px;
}
.rtb-stack-multipurpose-box-header{
    display: flex;
    align-items: center;
    margin-bottom: 51px;
}
.rtb-stack-multipurpose-box-title{
    font-weight: bold;
    font-size: 30px;
    line-height: 41px;
    margin-right: 15px;
    flex: 1;
    font-family: 'AvenirNextCyr-Bold';
}
.rtb-stack-multipurpose-box-ico{}

.rtb-stack-multipurpose-info{
    margin-bottom: 32px;
}
.rtb-stack-multipurpose-info-title{
    font-weight: bold;
    font-size: 24px;
    line-height: 150%;
    font-family: 'AvenirNextCyr-Bold';
    margin-bottom: 16px;
}
.rtb-stack-multipurpose-info-content{
    font-weight: normal;
    font-size: 16px;
    line-height: 150%;
}


.rtb-stack-ready{}
.rtb-stack-ready .rtb-stack-header-text{
    max-width: 100%;
}
.rtb-stack-ready-box{
    margin-bottom: 30px;
    height: calc(100% - 30px);
    padding: 33px 30px;
    box-sizing: border-box;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-sizing: border-box;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    background-color: rgba(0, 0, 0, 0.6);
    position: relative;
    overflow: hidden;
}
.rtb-stack-ready-box:before{
    content: "";
    position: absolute;
    width: 442px;
    height: 442px;
    border-radius: 100%;
    
}
.rtb-stack-ready-box.ready-box-1:before{
    top: calc(100% - 70px);
    left: 98px;
    background: rgba(182, 28, 255, 0.79);
    filter: blur(200px);
}
.rtb-stack-ready-box.ready-box-2:before{
    top: calc(100% - 70px);
    left: 32px;
    background: #6941E6;
    filter: blur(100px);
}
.rtb-stack-ready-box.ready-box-3:before{
    top: 102px;
    left: 149px;
    background: rgba(255, 0, 168, 0.3);
    filter: blur(100px);
}


.rtb-stack-ready-box p{
    font-weight: bold;
    font-size: 24px;
    font-family: 'AvenirNextCyr-Bold';
}
.rtb-stack-ready-box p:not(:last-child){
    margin-bottom: 20px;
}


.rtb-stack-anti{}
.rtb-stack-anti-inner{
    max-width: 965px;
    margin: 0 auto;
    background-color: #fff;
    box-shadow: 0px 100px 80px rgba(0, 0, 0, 0.04), 0px 36.5016px 29.2013px rgba(0, 0, 0, 0.0275993), 0px 17.7209px 14.1767px rgba(0, 0, 0, 0.0222516), 0px 8.6871px 6.94968px rgba(0, 0, 0, 0.0177484), 0px 3.43489px 2.74791px rgba(0, 0, 0, 0.0124007);
    border-radius: 10px;
    padding: 75px 99px 5px 99px;
}
.rtb-stack-anti-box{
    display: flex;
    align-items: flex-start;
    max-width: 325px;
    margin-bottom: 70px;
}
.rtb-stack-anti-box-ico{
    position: relative;
    margin-right: 20px;
    max-width: 50px;
    min-width: 50px;
}
.rtb-stack-anti-box-text{
    flex: 1;
    font-size: 20px;
    line-height: 150%;
}


.rtb-stack-transparency-items{
    margin-bottom: 50px;
}
.rtb-stack-transparency-box{
    margin-bottom: 30px;
    height: calc(100% - 30px);
    padding: 40px 30px;
    box-sizing: border-box;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-sizing: border-box;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    background-color: rgba(0, 0, 0, 0.6);
    position: relative;
    overflow: hidden;
}
.rtb-stack-transparency-box:before{
    content: "";
    position: absolute;
    width: 442px;
    height: 442px;
    border-radius: 100%;
}
.transparency-box-1:before{
    top: calc(100% - 92px);
    right: 41px;
    background: rgba(236, 60, 92, 0.42);
    filter: blur(100px);
}
.transparency-box-2:before{
    top: calc(100% - 75px);
    right: 30px;
    background: #F571D3;
    filter: blur(100px);
}
.transparency-box-3:before{
    top: calc(100% - 50px);
    left: 20px;
    background: rgba(0, 133, 255, 0.3);
    filter: blur(100px);
}


.rtb-stack-transparency-box-header{
    margin-bottom: 32px;
    display: flex;
}
.rtb-stack-transparency-box-title{
    flex: 1;
    margin-right: 15px;
    font-weight: bold;
    font-size: 30px;
    line-height: 41px;
}
.rtb-stack-transparency-box-ico{
    max-width: 50px;
    position: relative;
    top: -10px;
}
.rtb-stack-transparency-box-content{
    font-size: 24px;
    line-height: 150%;
}


.rtb-stack-branded-img{
    max-width: 814px;
    margin: 20px auto 30px auto;
}

.rtb-stack-branded-items{
    max-width: 965px;
    margin: 0 auto;
}

.rtb-stack-branded-item{
    margin-bottom: 30px;
    font-size: 20px;
    line-height: 150%;
    max-width: 275px;
}

.rtb-stack-testimonial-box{
    margin-bottom: 30px;
    height: calc(100% - 30px);
    padding: 79px 100px;
    box-sizing: border-box;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-sizing: border-box;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    background-color: rgba(0, 0, 0, 0.6);
    position: relative;
    overflow: hidden;
}
.rtb-stack-testimonial-box:before{
    content: "";
    width: 773px;
    height: 773px;
    border-radius: 100%;
    position: absolute;
    top: 0;
    left: -82px;
    background: linear-gradient(61.7deg, rgba(251, 44, 197, 0.5) 18.75%, rgba(75, 17, 199, 0.5) 60.68%, rgba(250, 120, 0, 0.5) 106.88%);
    filter: blur(100px);
}
.rtb-stack-testimonial-box-header{
    display: flex;
    align-items: center;
    margin-bottom: 42px;
    position: relative;
    z-index: 3;
}
.rtb-stack-testimonial-box-img{
    margin-right: 38px;
    max-width: 120px;
}
.rtb-stack-testimonial-box-info{
    flex: 1;
}
.rtb-stack-testimonial-box-name{
    font-family: 'AvenirNextCyr-Bold';
    margin-bottom: 4px;
    font-weight: bold;
    font-size: 36px;
    line-height: 49px;
}
.rtb-stack-testimonial-box-position{
    font-size: 16px;
    line-height: 150%;
}
.rtb-stack-testimonial-box-content {
    position: relative;
    z-index: 3;
}
.rtb-stack-testimonial-box-content-mark{
    position: absolute;
    top: 0;
    left: -40px;
}
.rtb-stack-testimonial-box-content p{
    font-size: 24px;
    line-height: 150%;
}




.rtb-stack-order{
    background-color: #333333;
}
.rtb-stack-order-inner{
    border: 1px solid #E0E0E0;
    background-color: #ffffff;
    border-radius: 10px;
    overflow: hidden;
}
.rtb-stack-order-inner-content{
    padding: 40px 98px 0px 98px;
}
.rtb-stack-order-inner-footer{
    background-color: #FCF7EC;
    padding: 35px 98px 44px 98px;
    box-sizing: border-box;
}
.rtb-stack-order-inner-title{
    font-weight: bold;
    font-size: 40px;
    line-height: 55px;
    font-family: 'AvenirNextCyr-Bold';
}
.rtb-stack-order-line.custom{
    margin-bottom: 42px;
}
.rtb-stack-order-line{
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.rtb-stack-order-line.recaptcha{
    padding-left: 135px;
}
.rtb-stack-order-label{
    min-width: 120px;
    max-width: 120px;
    display: block;
    margin-right: 15px;
    font-size: 16px;
    line-height: 22px;
}

.narrow .rtb-stack-order-label{
    margin-top:9px;
}
.narrow .textarea .rtb-stack-order-label{
    margin-top: 19px;
}

.align-items-start .form-group-line-title{
    margin-top: 2px;
}

.align-items-start.textarea .form-group-line-title{
    margin-top: 10px;
}
/*.styles_april .form-group-line-content-input{
    margin-top: 9px;
}*/
.tb-stack-order-input-error{
    color: #EB5757;
    font-size: 16px;
    line-height: 22px;
    margin-left: 24px;
    flex: 1;
    white-space: nowrap;
}
.rtb-stack-order-input{
    /* flex: 1; */
    display: flex;
    align-items: center;
}
.rtb-stack-order-input .rtb-stack-order-select #company_type{
    display:none!important;
}
.rtb-stack-order-input-inner{
    min-height: 42px;
    border: none;
    background-color: #F2F2F2;
    padding: 0 20px;
    min-width: 363px;
    max-width: 363px;
    border-radius: 4px;
    border: none;
    box-shadow: none!important;
}
textarea.rtb-stack-order-input-inner{
    min-height: 176px;
    padding: 20px;
    max-width: 363px;
}
.rtb-stack-order-input-inner.custom{
    min-width: 275px;
    max-width: 275px;
}
.rtb-stack-order-input-inner.custom-2{
    min-width: 175px;
    max-width: 175px;
}
.rtb-stack-order-input-inner:-webkit-input-placeholder{
    color: #BDBDBD;
}
.rtb-stack-order-button{
    min-width: 139px!important;
    font-family: 'Avenir Next Cyr',Arial,Helvetica,sans-serif!important;
}
.rtb-stack-order-checkbox{}
.rtb-stack-order-checkbox input{
    display: none;
}
.rtb-stack-order-checkbox span.wpcf7-list-item-label{
    position: relative;
    font-size: 16px;
    line-height: 22px;
    color: #000;
    padding-left: 36px;
}
.rtb-stack-order-checkbox span.wpcf7-list-item-label:before,
.rtb-stack-order-checkbox span.wpcf7-list-item-label:after{
    content: "";
    position: absolute;
    width: 24px;
    height: 24px;
    border-radius: 4px;
    left: 0;
    top: 0;
    transition: all ease-out 0.2s;
}
.rtb-stack-order-checkbox span.wpcf7-list-item-label:before{
    background-color: #E0E0E0;
}
.rtb-stack-order-checkbox span.wpcf7-list-item-label:after{
    display: block;
    width: 6px;
    height: 12px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    left: 9px;
    top: 5px;
    opacity: 0;
    border-radius: 0px;
}
.rtb-stack-order-checkbox input:checked + span.wpcf7-list-item-label:before{
    transition: all ease-out 0.2s;
    background-color: #D31F35;
}
.rtb-stack-order-checkbox input:checked + span.wpcf7-list-item-label:after{
    transition: all ease-out 0.2s;
    opacity: 1;
}
.rtb-stack-order-checkbox span.wpcf7-list-item-label a:hover{
    color: #D31F35;
    text-decoration: underline;
}


.rtb-stack-order-select{
    position: relative;
    width: 208px;
}
.ru .rtb-stack-order-select{
    position: relative;
    width: 255px;
}
.rtb-stack-order-select-current{
    background: linear-gradient(180deg, #F7F7F7 0%, #E6E6E6 100%);
    border-radius: 8px;
    padding: 10px 20px;
    box-sizing: border-box;
    font-size: 16px;
    line-height: 22px;
    color: #000;
    cursor: pointer;
    position: relative;
}
.rtb-stack-order-select-current:after{
    content: "";
    width: 25px;
    height: 25px;
    background-image: url("../images/svg/rtb-stack-order-select-arrow.svg");
    background-position: center center;
    background-repeat: no-repeat;
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translate(0, -50%);
    transition: all ease-in-out 0.2s;
}
.rtb-stack-order-select.active .rtb-stack-order-select-current{
    background: #E0E0E0;
    box-shadow: inset 0px 0px 4px rgba(0, 0, 0, 0.15);
    border-radius: 8px 8px 0px 0px;
}
.rtb-stack-order-select.active .rtb-stack-order-select-current:after{
    transition: all ease-in-out 0.2s;
    transform: translate(0, -50%) rotate(180deg);
}
.rtb-stack-order-select.active .rtb-stack-order-select-items{
    visibility: visible;
    opacity: 1;
    border:none;
}
.rtb-stack-order-select-items{
    position: absolute;
    left: 0;
    top: 100%;
    width: 100%;
    background-color: #F2F2F2;
    padding: 8px 0;
    box-sizing: border-box;
    border-radius: 0 0 8px 8px;
    z-index: 99;
    visibility: hidden;
    opacity: 0;
    filter: drop-shadow(0px 9px 40px rgba(122, 113, 95, 0.25));
}
.rtb-stack-order-select-items-title,
.rtb-stack-order-select-val{
    padding: 8px 20px;
    box-sizing: border-box;
}
.rtb-stack-order-select-val.current{
    color: #BDBDBD;
}
.rtb-stack-order-select-val{
    font-size: 16px;
    line-height: 22px;
    cursor: pointer;
}
.rtb-stack-order-select-items-title span{
    position: relative;
    display: inline-block;
    font-weight: 600;
    font-size: 16px;
    line-height: 22px;
    color: #BDBDBD;
    padding-left: 12px;
}
.rtb-stack-order-select-items-title span:before{
    content: "";
    width: 5px;
    height: 5px;
    border-radius: 100%;
    background-color: #BDBDBD;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translate(0, -50%);
}

.rtb-stack-order-inner-content-line{

}
.rtb-stack-order-radio{
    flex: 1;
}
.rtb-stack-order-radio .wpcf7-form-control label,
.rtb-stack-order-radio-item{
    display: block;
    margin-bottom: 18px;
}
.rtb-stack-order-radio .wpcf7-form-control label input[type="radio"],
.rtb-stack-order-radio-item input[type="radio"]{
    display: none;
}
.rtb-stack-order-radio .wpcf7-form-control label input[type="radio"]:checked + .wpcf7-list-item-label:before,
.rtb-stack-order-radio-item input[type="radio"]:checked + .wpcf7-list-item-label:before{
    box-shadow: inset 0px 0px 4px rgba(0, 0, 0, 0.15);
}
.rtb-stack-order-radio .wpcf7-form-control label input[type="radio"]:checked + .wpcf7-list-item-label:after,
.rtb-stack-order-radio-item input[type="radio"]:checked + .wpcf7-list-item-label:after{
    opacity: 1;
    visibility: visible;
    border:none;
}
.rtb-stack-order-radio .wpcf7-list-item-label,
.rtb-stack-order-radio-item .wpcf7-list-item-label{
    display: block;
    font-size: 16px;
    line-height: 22px;
    position: relative;
    padding-left: 35px;
    cursor: pointer;
}
.rtb-stack-order-radio .wpcf7-list-item-label:before,
.rtb-stack-order-radio .wpcf7-list-item-label:after,
.rtb-stack-order-radio-item .wpcf7-list-item-label:before,
.rtb-stack-order-radio-item .wpcf7-list-item-label:after{
    content: "";
    position: absolute;
}
.rtb-stack-order-radio .wpcf7-list-item-label:before,
.rtb-stack-order-radio-item .wpcf7-list-item-label:before{
    background: #F2F2F2!important;
    border-radius: 12px;
    width: 24px;
    height: 24px;
    left: 0;
    top: 0!important;
    border: none!important;
}
.rtb-stack-order-radio .wpcf7-list-item-label:after,
.rtb-stack-order-radio-item .wpcf7-list-item-label:after{
    width: 14px;
    height: 14px;
    border-radius: 100%;
    background-color: #000000;
    left: 5px;
    top: 5px;
    opacity: 0;
    visibility: hidden;
}
.rtb-stack-order-line.align-items-start{
    align-items: flex-start;
}
.rtb-stack-order-inner-content-line{
    margin-bottom: 42px;
}
.show-on-select-radio{
    display: none;
}
.rtb-stack-order-inner-title.custom{
    margin-bottom: 0;
}


/* Parallax */
.rtb-stack-main,
.rtb-stack-ready,
.rtb-stack-transparency,
.rtb-stack-testimonial{
    background-attachment: fixed;
}
/* end Parallax */

.rtb-stack-order-input span{
    display: block;
    width: 100%;
}
.wpcf7-form-control-wrap.site input,
.rtb-stack-order-input input.rtb-stack-order-input-inner:not(.custom):not(.custom-2){
    /* max-width: 100%!important; */
    /* width: 100%!important; */
}
.wpcf7-form-control-wrap.hidden_streak{
    width: auto!important;
}

.rtb-stack-order-label{
    font-weight: 500;
}


.rtb-stack-branded-img img{
    box-shadow: 0 8px 32px -8px rgb(0, 0, 0, 0.15);
    border-radius: 10px;
}

.rtb-stack-main-info{
    background-image: url("../images/svg/book-info-ico.svg");
    background-position: 0 center;
    background-repeat: no-repeat;
    padding-left: 45px;
    background-repeat: no-repeat;
}
.rtb-stack-main-info {
    font-size: 16px;
    line-height: 150%;
    margin-left: 75px;
}
.rtb-stack-main-info span{
    display: block;
    font-size: 20px;
    line-height: 150%;
    border-bottom: 1px solid #fff;
    margin-bottom: 3px;
    line-height: 1;
}
.rtb-stack-main-footer.flex{
    align-items: center;
}


.rtb-stack-order-line{
    align-items: flex-start;
}
.rtb-stack-order-label{
    margin-top: 13px;
}

textarea.rtb-stack-order-input-inner{
    width: 100%;
}


.rtb-stack-branded .rtb-stack-header{
    margin-bottom: 60px;
}


.rtb-stack-anti .rtb-stack-header-text{
    margin-bottom: 14px!important;
}
.rtb-stack-anti .rtb-stack-header{
    margin-bottom: 60px!important;
}

.business_need>div {
    padding-top: 12px!important;
}
@media screen and (max-width: 1200px){
    .rtb-stack-section{
        padding: 50px 0;
    }
    .rtb-stack-header-text{
        font-size: 36px!important;
    }
    .rtb-stack-header-description{
        font-size: 20px;
        font-size: 20px;
    }
    .rtb-stack-header{
        margin-bottom: 50px;
    }
    .rtb-stack-main-header h1{
        font-size: 76px!important;
    }
    .rtb-stack-main-text{
        max-width: 425px;
        margin-bottom: 45px;
    }
    .rtb-stack-main-text p{
        font-size: 24px;
        line-height: 1.6;
    }
    .rtb-stack-ready-box p{
        font-size: 22px;
    }
    .rtb-stack-transparency-box-title{
        font-size: 24px;
        line-height: 1.6;
    }
    .rtb-stack-transparency-box-content{
        font-size: 20px;
    }
    .rtb-stack-transparency-box-header{
        margin-bottom: 20px;
    }
    .rtb-stack-testimonial-box-content p{
        font-size: 20px;
    }
    .rtb-stack-anti-inner{
        padding: 45px 45px 0 45px;
    }
    .rtb-stack-multipurpose-box-header{
        margin-bottom: 25px;
    }
    .rtb-stack-main{
        padding: 70px 0!important;
    }
    .rtb-stack-transparency-items .col-md-4,
    .rtb-stack-branded-items .col-md-4{
        max-width: 33.333%;
        width: 100%;
    }
}
@media screen and (max-width: 991px){
    .rtb-stack-multipurpose-box-title{
        font-size: 22px;
        line-height: 1.6;
    }
    .rtb-stack-order-inner-content{
        padding: 45px 45px 0 45px;
    }
    .rtb-stack-order-inner-footer{
        padding: 30px 45px 15px 45px;
    }
    .rtb-stack-order-input-inner{
        /* min-width: 200px; */
        /* max-width: 200px; */
    }
    .rtb-stack-order-input-inner.custom{
        /* min-width: 180px; */
        /* max-width: 180px; */
    }
    .rtb-stack-transparency-items .col-md-4,
    .rtb-stack-branded-items .col-md-4{
        /* max-width: 33.333%;
        width: 100%; */
    }
    .rtb-stack-branded-item{
        font-size: 18px;
    }
    .rtb-stack-ready .row .col-md-4,
    .rtb-stack-transparency-items .row .col-md-4{
        max-width: 100%;
        width: 100%;
    }
    .rtb-stack-ready-box{
        text-align: center;
    }
    .rtb-stack-order-input{
        flex-direction: column;
        align-items: flex-start;
    }
    form.invalid .tb-stack-order-input-error{
        margin-top: 15px;
        margin-left: 0;
    }
}

@media screen and (max-width: 634px){
    .rtb-stack-order-line.recaptcha{
        padding-left: 0px;
    }
}
@media screen and (max-width: 576px){
    .business_need>div {
        padding-top: 0px!important;
    }
    .rtb-stack-main-header h1{
        font-size: 46px!important;
    }
    .rtb-stack-main-header{
        margin-bottom: 35px;
    }
    .rtb-stack-main-text p{
        font-size: 20px;
    }
    .rtb-stack-header-text{
        font-size: 32px!important;
    }
    .rtb-stack-multipurpose-box{
        max-width: 100%;
        min-height: auto;
    }
    .rtb-stack-testimonial-box{
        padding: 25px;
    }
    .rtb-stack-testimonial-box-name{
        font-size: 26px;
        line-height: 1.6;
    }
    .rtb-stack-testimonial-box-img{
        margin-right: 20px;
        max-width: 80px;
    }
    .rtb-stack-testimonial-box-content{
        margin-left: 35px;
    }
    .rtb-stack-testimonial-box-content p{
        font-size: 16px;
    }
    .rtb-stack-ready-box p{
        font-size: 20px;
    }
    .rtb-stack-anti-inner{
        padding: 30px;
    }
    .rtb-stack-anti-box-text{
        font-size: 18px;
    }
    .rtb-stack-anti-box{
        max-width: 100%;
        margin-bottom: 20px;
    }
    .rtb-stack-order-line{
        flex-direction: column;
        align-items: flex-start;
    }
    .rtb-stack-order-label{
        width: 100%;
        margin-bottom: 10px;
    }
    .rtb-stack-order-input{
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
    }
    .rtb-stack-order-input-inner{
        min-width: 100%!important;
        max-width: 100%!important;
    }
    .rtb-stack-order-inner-title{
        font-size: 28px;
        line-height: 32px;
    }
    .rtb-stack-order-inner-content{
        padding: 24px  15px 0 15px;
    }
    .rtb-stack-order-inner>.rtb-stack-order-inner-content{
        padding: 30px  15px 0 15px;
    }
    .rtb-stack-order-inner-footer{
        padding: 24px 15px;
    }
    form.invalid .tb-stack-order-input-error{
        margin-top: 6px;
        margin-bottom: 6px;
    }
    .rtb-stack-order-line.recaptcha,
    .recaptcha+.rtb-stack-order-line .rtb-stack-order-label,
    .recaptcha+.rtb-stack-order-line +.rtb-stack-order-line .rtb-stack-order-label {
        margin: 0;
        padding: 0;
        line-height: 1;
        height: 0;
        overflow: visible;
    }
    .rtb-stack-order-line.recaptcha.active,
    .recaptcha.active+.rtb-stack-order-line .rtb-stack-order-label {
        height: auto;
    }
    .rtb-stack-order-checkbox .agree span.wpcf7-list-item-label{
        padding-top: 2px;
    }
    .wpcf7-submit-wrapper{
        text-align: center;
    }
    .rtb-stack-order-checkbox .agree{
        margin-bottom: 0px;
    }
    .tb-stack-order-input-error{
        margin-left: 0;
        margin-top: 10px;
    }
    .rtb-stack-order-inner-content{
    }
    .rtb-stack-order-inner{
        border: none;
    }
    .rtb-stack-order-line{
        margin-bottom: 6px;
    }
    .rtb-stack-branded-items .col-md-4{
        max-width: 100%;
    }
    .rtb-stack-branded-item{
        max-width: 100%;
        text-align: center;
    }
    .rtb-stack-main-footer.flex{
        flex-direction: column;
        align-items: flex-start;
    }
    .rtb-stack-main-info{
        margin-left: 0;
        margin-top: 20px;
        font-size: 12px;
        background-size: contain;
    }
    .rtb-stack-main-info span{
        font-size: 14px;
    }
    .narrow .rtb-stack-order-label,
    .rtb-stack-order-label{
        margin-top: 2px;
    }
    .narrow .textarea .rtb-stack-order-label{
        margin-top: 15px;   
    }
    .rtb-stack-order-line.align-items-start{
        margin-top: 16px;
    }
    .rtb-stack-order-line.textarea{
        margin-bottom: 40px;
    }
    .narrow .textarea .rtb-stack-order-label,
    .rtb-stack-order-line.custom,
    .rtb-stack-order-inner-content-line{
        margin-bottom: 7px;        
    }
    .rtb-stack-branded .rtb-stack-header,
    .rtb-stack-anti .rtb-stack-header{
        margin-bottom: 40px;
    }
}
@media screen and (max-width: 400px){
    .rtb-stack-header-text{
        font-size: 26px!important;
    }
    .rtb-stack-transparency-box-title{
        font-size: 20px;
    }
}
@media screen and (max-width: 350px){}