.light {
    position: absolute;
    width: 0px;
    opacity: .75;
    background-color: white;
    box-shadow: #e9f1f1 0px 0px 20px 2px;
    opacity: 0;
    top: 100vh;
    bottom: 0px;
    left: 0px;
    right: 0px;
    margin: auto;
}

.x1{
  -webkit-animation: floatUp 4s infinite linear;
  -moz-animation: floatUp 4s infinite linear;
  -o-animation: floatUp 4s infinite linear;
  animation: floatUp 4s infinite linear;
   -webkit-transform: scale(1.0);
   -moz-transform: scale(1.0);
   -o-transform: scale(1.0);
  transform: scale(1.0);
}

.x2{
  -webkit-animation: floatUp 7s infinite linear;
  -moz-animation: floatUp 7s infinite linear;
  -o-animation: floatUp 7s infinite linear;
  animation: floatUp 7s infinite linear;
  -webkit-transform: scale(1.6);
  -moz-transform: scale(1.6);
  -o-transform: scale(1.6);
  transform: scale(1.6);
  left: 15%;
}

.x3{
  -webkit-animation: floatUp 2.5s infinite linear;
  -moz-animation: floatUp 2.5s infinite linear;
  -o-animation: floatUp 2.5s infinite linear;
  animation: floatUp 2.5s infinite linear;
  -webkit-transform: scale(.5);
  -moz-transform: scale(.5);
  -o-transform: scale(.5);
  transform: scale(.5);
  left: -15%;
}

.x4{
  -webkit-animation: floatUp 4.5s infinite linear;
  -moz-animation: floatUp 4.5s infinite linear;
  -o-animation: floatUp 4.5s infinite linear;
  animation: floatUp 4.5s infinite linear;
  -webkit-transform: scale(1.2);
  -moz-transform: scale(1.2);
  -o-transform: scale(1.2);
  transform: scale(1.2);
  left: -34%;
}

.x5{
  -webkit-animation: floatUp 8s infinite linear;
  -moz-animation: floatUp 8s infinite linear;
  -o-animation: floatUp 8s infinite linear;
  animation: floatUp 8s infinite linear;
  -webkit-transform: scale(2.2);
  -moz-transform: scale(2.2);
  -o-transform: scale(2.2);
  transform: scale(2.2);
  left: -57%;
}

.x6{
  -webkit-animation: floatUp 3s infinite linear;
  -moz-animation: floatUp 3s infinite linear;
  -o-animation: floatUp 3s infinite linear;
  animation: floatUp 3s infinite linear;
  -webkit-transform: scale(.8);
  -moz-transform: scale(.8);
  -o-transform: scale(.8);
  transform: scale(.8);
  left: -81%;
}

.x7{
  -webkit-animation: floatUp 5.3s infinite linear;
  -moz-animation: floatUp 5.3s infinite linear;
  -o-animation: floatUp 5.3s infinite linear;
  animation: floatUp 5.3s infinite linear;
  -webkit-transform: scale(3.2);
  -moz-transform: scale(3.2);
  -o-transform: scale(3.2);
  transform: scale(3.2);
  left: 37%;
}

.x8{
  -webkit-animation: floatUp 4.7s infinite linear;
  -moz-animation: floatUp 4.7s infinite linear;
  -o-animation: floatUp 4.7s infinite linear;
  animation: floatUp 4.7s infinite linear;
  -webkit-transform: scale(1.7);
  -moz-transform: scale(1.7);
  -o-transform: scale(1.7);
  transform: scale(1.7);
  left: 62%;
}

.x9{
  -webkit-animation: floatUp 4.1s infinite linear;
  -moz-animation: floatUp 4.1s infinite linear;
  -o-animation: floatUp 4.1s infinite linear;
  animation: floatUp 4.1s infinite linear;
  -webkit-transform: scale(0.9);
  -moz-transform: scale(0.9);
  -o-transform: scale(0.9);
  transform: scale(0.9);
  left: 85%;
}

button:focus{
  outline: none;
}

@-webkit-keyframes floatUp{
  0%{top: 100vh; opacity: 0;}
  25%{opacity: 1;}
  50%{top: 0vh; opacity: .8;}
  75%{opacity: 1;}
  100%{top: -100vh; opacity: 0;}
}
@-moz-keyframes floatUp{
  0%{top: 100vh; opacity: 0;}
  25%{opacity: 1;}
  50%{top: 0vh; opacity: .8;}
  75%{opacity: 1;}
  100%{top: -100vh; opacity: 0;}
}
@-o-keyframes floatUp{
  0%{top: 100vh; opacity: 0;}
  25%{opacity: 1;}
  50%{top: 0vh; opacity: .8;}
  75%{opacity: 1;}
  100%{top: -100vh; opacity: 0;}
}
@keyframes floatUp{
  0%{top: 100vh; opacity: 0;}
  25%{opacity: 1;}
  50%{top: 0vh; opacity: .8;}
  75%{opacity: 1;}
  100%{top: -100vh; opacity: 0;}
}


.bg {
    width: 100%;
    height: 100vh;
    #display: flex;
    align-items: center;
    justify-content: center;
    background-size: 300% 300%;
    background-image: linear-gradient(
          -45deg, 
          rgba(59,173,227,1) 0%, 
          rgba(87,111,230,1) 25%, 
          rgba(152,68,183,1) 51%, 
          rgba(255,53,127,1) 100%
    );  
    animation: AnimateBG 20s ease infinite;
  }

  @keyframes AnimateBG { 
    0%{background-position:0% 50%}
    50%{background-position:100% 50%}
    100%{background-position:0% 50%}
  }

  .glow {
    border-radius: 10%;
    box-shadow:
      inset 0 0 150px #fff,      /* inner white */
      inset 20px 0 80px #f0f,   /* inner left magenta short */
      inset -20px 0 80px #0ff,  /* inner right cyan short */
      inset 20px 0 300px #f0f,  /* inner left magenta broad */
      inset -20px 0 300px #0ff, /* inner right cyan broad */
      0 0 150px #fff,            /* outer white */
      -10px 0 80px #f0f,        /* outer left magenta */
      10px 0 80px #0ff;         /* outer right cyan */
  }