html {
        height: 100%;
      }
      body {
        margin: 0;
        height: 100%;
        background: #f2f2f2;
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: "Varela", sans-serif;
      }
      .login-box {
        width: 400px;
        padding: 40px;
        background: rgba(0, 0, 0, 0.5);
        box-sizing: border-box;
        box-shadow: 0 15px 25px rgba(0, 0, 0, 0.6);
        border-radius: 10px;
      }
      .login-box h2 {
        margin-bottom: 20px;
        color: #fff;
        text-align: center;
      }
      .login-box .user-box {
        position: relative;
      }
      .login-box .user-box input {
        width: 100%;
        padding: 10px 0;
        font-size: 14px;
        color: #fff;
        margin-bottom: 20px;
        border: none;
        border-bottom: 1px solid #fff;
        outline: none;
        background: transparent;
      }
      .login-box .user-box label {
        position: absolute;
        top: 0;
        left: 0;
        padding: 10px 0;
        font-size: 16px;
        color: #fff;
        pointer-events: none;
        transition: 0.5s;
      }
      .login-box .user-box input:focus ~ label,
      .login-box .user-box input:valid ~ label {
        top: -20px;
        left: 0;
        color: #03e9f4;
        font-size: 12px;
      }
      .login-box .btn {
        position: relative;
        display: inline-block;
        padding: 10px 20px;
        color: #03e9f4;
        font-size: 16px;
        text-decoration: none;
        text-transform: uppercase;
        overflow: hidden;
        transition: 0.5s;
        margin-top: 20px;
        letter-spacing: 4px;
        border: 2px solid #03e9f4;
        border-radius: 5px;
        text-align: center;
      }
      .login-box .btn:hover {
        background: #03e9f4;
        color: #fff;
      }

      body {
        height: 100%;
        margin: 0;
        overflow: hidden; /* Hide scrollbars */
        font-family: "Varela", sans-serif;

      #particles-js {
        width: 100%;
        height: 100%;
        position: absolute;
        z-index: -1;
      
        background: rgba(241, 242, 181, 1);
        background: -moz-radial-gradient(
          center,
          ellipse cover,
          rgba(255, 255, 255, 1) 0%,
          rgba(19, 80, 88, 1) 100%
        );
        background: -webkit-gradient(
          radial,
          center center,
          0px,
          center center,
          100%,
          color-stop(0%, rgba(255, 255, 255, 1)),
          color-stop(100%, rgba(19, 80, 88, 1))
        );
        background: -webkit-radial-gradient(
          center,
          ellipse cover,
          rgba(255, 255, 255, 1) 0%,
          rgba(19, 80, 88, 1) 100%
        );
        background: -o-radial-gradient(
          center,
          ellipse cover,
          rgba(255, 255, 255, 1) 0%,
          rgba(19, 80, 88, 1) 100%
        );
        background: -ms-radial-gradient(
          center,
          ellipse cover,
          rgba(255, 255, 255, 1) 0%,
          rgba(19, 80, 88, 1) 100%
        );
        background: radial-gradient(
          ellipse at center,
          rgba(255, 255, 255, 1) 0%,
          rgba(19, 80, 88, 1) 100%
        );
        filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#f1f2b5', endColorstr='#135058', GradientType=1);
      }
    }