/* You can find real author of this layout animation on codepen.io unfortunatly I lost his or her url to code

-- This is most copied of him, or her and with a little --fix-- 
*/

* {
    box-sizing: border-box;
  }
  
  html, body {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    width: 100%;
    height: 100%;
  }
  
  body {
    font-family: sans-serif;
    background: linear-gradient(#141e30, #243b55);
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
  }
  
  input {
    outline: none;
    border: none;
    background: transparent;
  }
  
  .login-box {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 400px;
    padding: 40px;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.5);
    box-shadow: 0 15px 25px rgba(0, 0, 0, 0.6);
    border-radius: 10px;
  }
  
  .login-box h2 {
    margin: 0 0 30px;
    padding: 0;
    color: #fff;
    text-align: center;
  }
  
  .login-box .user-box {
    position: relative;
  }
  
  .login-box .user-box label {
    position: absolute;
    top: 0;
    left: 0;
    padding: 10px 0;
    color: #fff;
    transition: 500ms;
    font-size: 16px;
    pointer-events: none;
  }
  
  .login-box .user-box .input {
    width: 100%;
    padding: 10px 0;
    color: #fff;
    margin-bottom: 30px;
    border-bottom: 1px solid #fff;
  }
  
  .input:active ~ label {
    top: -20px;
    color: #03e9f4;
    font-size: 12px;
   }
  
  .input:focus ~ label {
   top: -20px;
   color: #03e9f4;
   font-size: 12px;
  }
  
  .input:valid ~ label  {
    top: -20px;
    color: #03e9f4;
    font-size: 12px;
   }
  
  
  .login-box form a {
    position: relative;
    display: inline-block;
    padding: 10px 20px;
    font-size: 16px;
    text-decoration: none;
    text-transform: uppercase;
    overflow: hidden;
    transition: all .5s;
    margin-top: 40px;
    letter-spacing: 4px;
    color: #03e9f4;
  }
  
  .login-box a:hover {
    background-color: #03e9f4;
    color: #fff;
    border-radius: 5px;
    box-shadow: 0 0 5px #03e9f4,
                0 0 25px #03e9f4,
                0 0 50px #03e9f4,
                0 0 100px #03e9f4;
  }
  
  .login-box a span {
    position: absolute;
    display: block;
  }
  
  @keyframes btnAnimA {
    0% {
      left: -100%;
    }
    50% {
      left: 100%;
    }
    100% {
      left: 100%;
    }
  }
  .login-box a span:nth-child(1) {
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #03e9f4);
    animation: btnAnimA 1500ms linear infinite;
    /* animation-delay: 200ms; */
    animation-fill-mode: backwards;
    animation-play-state: running;
  }
  
  
  @keyframes btnAnimB {
    0% {
      top: -100%
    }
    50% {
      top: 100%;
    }
    100% {
      top: 100%;
    }
  }
  .login-box a span:nth-child(2) {
    top: -100%;
    right: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, transparent, #03e9f4);
    animation: btnAnimB 1500ms linear infinite;
    animation-delay: 300ms;
  }
  
  
  @keyframes btnAnimC {
    0% {
      right: -100%;
    }
    50% {
      right: 100%;
    }
    100% {
      right: 100%;
    }
  }
  .login-box a span:nth-child(3) {
    bottom: 0;
    right: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(270deg, transparent, #03e9f4);
    animation: btnAnimC 1500ms linear infinite;
    animation-delay: 600ms;
  }
  
  
  @keyframes btnAnimD {
    0% {
      bottom: -100%;
    }
    50%,100% {
      bottom: 100%;
    }
  }
  .login-box a span:nth-child(4) {
    left: 0;
    bottom: -100%;
    width: 2px;
    height: 100%;
    background: linear-gradient(360deg, transparent, #03e9f4);
    animation: btnAnimD 1500ms linear infinite;
    animation-delay: 900ms;
  }