.header{width:100%;height:110vh;margin-top:60px;position:relative;overflow:hidden}.slide{opacity:0;background-position:50%;background-size:cover;width:100%;height:100%;animation:15s infinite fade;position:absolute}.slide1{background-image:url(/images/greg.jpg);animation-delay:0s}.slide2{background-image:url(/images/owen.jpg);animation-delay:5s}.slide3{background-image:url(/images/grace.jpg);animation-delay:10s}.overlay{text-align:center;color:#fff;text-shadow:0 2px 10px rgba(0,0,0,.7);width:90%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.overlay h1{margin-bottom:1rem;font-size:2.5rem}.overlay p{font-size:1.2rem}@keyframes fade{0%{opacity:0}10%{opacity:1}30%{opacity:1}40%{opacity:0}to{opacity:0}}@media (max-width:768px){.overlay h1{font-size:1.8rem}.overlay p{font-size:1rem}}