body{margin:0;padding:0;font-family:sans-serif}.login-box{position:absolute;top:50%;left:50%;width:400px;padding:40px;transform:translate(-50%, -50%);background:rgba(0,0,0,.5);box-sizing:border-box;box-shadow:0 15px 25px rgba(0,0,0,.6);border-radius:10px;transition-duration:.5s}.login-box:hover{background:rgba(0,0,0,.75)}video{height:100vh;width:100vw;-o-object-fit:cover;object-fit:cover}.login-box h2{margin:0 0 30px;padding:0;color:#fff;text-align:center}.login-box .user-box{position:relative}.login-box .user-box input{width:100%;padding:20px 0px 10px;font-size:16px;color:#fff;margin-bottom:30px;border:none;border-bottom:1px solid #fff;outline:none;background:rgba(0,0,0,0)}.login-box .user-box input::-moz-placeholder{color:var(--c3)}.login-box .user-box input::placeholder{color:var(--c3)}.login-box .user-box label{position:absolute;top:0;left:0;padding:10px 0;font-size:12px;text-transform:uppercase;color:#fff;pointer-events:none;transition:.5s}.login-box .user-box input:focus~label,.login-box .user-box input:valid~label{top:-20px;left:0;color:var(--c6);font-size:10px}.error{color:red;margin-bottom:30px;display:inline-block;font-size:12px}.error *{font-size:inherit}.login-box form a{position:relative;display:inline-block;padding:10px 20px;color:var(--c6);font-size:12px;text-decoration:none;text-transform:uppercase;overflow:hidden;transition:.5s;margin-top:40px;letter-spacing:4px}.login-box form a input{position:absolute;left:0;top:0;width:100%;height:100%;background-color:rgba(0,0,0,0);border:none;font-size:inherit}.login-box a:hover{background:var(--c6);color:#fff;border-radius:5px;box-shadow:0 0 35px var(--c6)}.login-box a span{position:absolute;display:block}.login-box a span:nth-child(1){top:0;left:-100%;width:100%;height:2px;background:linear-gradient(90deg, transparent, var(--c6));animation:btn-anim1 2s linear infinite}@keyframes btn-anim1{0%{left:-100%}50%,100%{left:100%}}.login-box a span:nth-child(2){top:-100%;right:0;width:2px;height:100%;background:linear-gradient(180deg, transparent, var(--c6));animation:btn-anim2 2s linear infinite;animation-delay:.5s}@keyframes btn-anim2{0%{top:-100%}50%,100%{top:100%}}.login-box a span:nth-child(3){bottom:0;right:-100%;width:100%;height:2px;background:linear-gradient(270deg, transparent, var(--c6));animation:btn-anim3 2s linear infinite;animation-delay:1s}@keyframes btn-anim3{0%{right:-100%}50%,100%{right:100%}}.login-box a span:nth-child(4){bottom:-100%;left:0;width:2px;height:100%;background:linear-gradient(360deg, transparent, var(--c6));animation:btn-anim4 2s linear infinite;animation-delay:1.5s}@keyframes btn-anim4{0%{bottom:-100%}50%,100%{bottom:100%}}