.formSignin{overflow:hidden}.formSignin .login-box{box-sizing:border-box;background:#ffffffe6;border-radius:10px;width:400px;margin:20px auto;padding:40px;position:absolute;top:50%;left:50%;transform:translate(-50%,-55%)}.formSignin .login-box p:first-child{color:#000;text-align:center;letter-spacing:1px;margin:0 0 30px;padding:0;font-size:1.5rem;font-weight:700}.formSignin .login-box .user-box{position:relative}.formSignin .login-box .user-box input{color:#000;background:0 0;border:none;border-bottom:1px solid #000;outline:none;width:100%;margin-bottom:30px;padding:10px 0;font-size:16px}.formSignin .login-box .user-box label{color:#000;pointer-events:none;padding:1rem 10px 0;font-size:16px;transition:all .5s;position:absolute;top:0;left:0}.formSignin .login-box .user-box input:focus~label,.formSignin .login-box .user-box input:valid~label{color:#2556fa;font-size:12px;top:-20px;left:0}.formSignin .login-box .submit-btn{color:#000;text-transform:uppercase;letter-spacing:3px;cursor:pointer;background:0 0;border:none;margin-top:40px;padding:10px 20px;font-size:16px;font-weight:700;text-decoration:none;transition:all .5s;display:inline-block;position:relative;overflow:hidden}.formSignin .login-box .submit-btn:hover{color:#fff;background:#000;border-radius:5px}.formSignin .login-box .submit-btn span{display:block;position:absolute}.formSignin .login-box .submit-btn span:first-child{background:linear-gradient(90deg,#0000,#000);width:100%;height:2px;animation:1.5s linear infinite btn-anim1;top:0;left:-100%}@keyframes btn-anim1{0%{left:-100%}50%,to{left:100%}}.formSignin .login-box .submit-btn span:nth-child(2){background:linear-gradient(#0000,#000);width:2px;height:100%;animation:1.5s linear .375s infinite btn-anim2;top:-100%;right:0}@keyframes btn-anim2{0%{top:-100%}50%,to{top:100%}}.formSignin .login-box .submit-btn span:nth-child(3){background:linear-gradient(270deg,#0000,#000);width:100%;height:2px;animation:1.5s linear .75s infinite btn-anim3;bottom:0;right:-100%}@keyframes btn-anim3{0%{right:-100%}50%,to{right:100%}}.formSignin .login-box .submit-btn span:nth-child(4){background:linear-gradient(360deg,#0000,#000);width:2px;height:100%;animation:1.5s linear 1.125s infinite btn-anim4;bottom:-100%;left:0}@keyframes btn-anim4{0%{bottom:-100%}50%,to{bottom:100%}}