@media(min-width:992px){.margin-top{margin-top:100px}h1,h2{font-size:42px}.button{max-width:fit-content}nav ul{display:flex;justify-content:space-between}.main-block{max-width:675px;margin:auto}.second-block{max-width:940px;margin:28px auto 0 auto}.second-block div{margin-left:135px}.second-block p{max-width:415px}.advantages .col-lg-3{border-right:1px solid rgb(255 255 255 / 30%)}.videos img{height:450px}.about-text{margin-right:120px}.form-footer p{max-width:65%}.form-footer{margin-bottom:95px}header{padding:40px 0}header .mobile-menu-block{display:none!important}}@media(max-width:991px){.margin-top{margin-top:70px}h1,h2{font-size:28px}.button{margin-top:40px;width:100%}.advantages .col-lg-3{border-bottom:1px solid rgb(255 255 255 / 30%);padding-bottom:45px}.videos img{height:350px}.about-text{margin-bottom:40px}.form-footer{margin-bottom:60px}header{padding:15px 0}}@media(min-width:769px){.button-border-black{margin-left:100px}}@media(max-width:768px){.videos img{height:250px}}