.sv {
  z-index: -9;
  -webkit-animation: riser 20s infinite;
  animation: riser 20s infinite;
  opacity: 0;
  overflow: visible;
  position: absolute;
}

.bubble {
  -webkit-animation: rotator 20s linear infinite;
  animation: rotator 20s linear infinite;
  fill: #152a9a;
  -webkit-transform-origin: 100px 100px;
  transform-origin: 100px 100px;
}

#col1 {
  -webkit-animation-duration: 15s;
  animation-duration: 15s;
}

#bub1 {
  -webkit-transform-origin: 150px 150px;
  transform-origin: 150px 150px;
}

#col2 {
  left: 15%;
  -webkit-animation-delay: 18s;
  animation-delay: 18s;
}

#col3 {
  left: 30%;
  -webkit-animation-delay: 14s;
  animation-delay: 14s;
  -webkit-animation-duration: 17s;
  animation-duration: 17s;
}

#bub3 {
  -webkit-animation-delay: 14s;
  animation-delay: 14s;
  -webkit-transform-origin: 130px 130px;
  transform-origin: 130px 130px;
}

#col4 {
  left: 45%;
  -webkit-animation-delay: 8s;
  animation-delay: 8s;
  -webkit-animation-duration: 22s;
  animation-duration: 22s;
}

#bub4 {
  -webkit-animation-delay: 8s;
  animation-delay: 8s;
  -webkit-transform-origin: 80px 80px;
  transform-origin: 80px 80px;
}

#col5 {
  left: 60%;
  -webkit-animation-delay: 15s;
  animation-delay: 15s;
  -webkit-animation-duration: 18s;
  animation-duration: 18s;
}

#bub5 {
  -webkit-animation-delay: 15s;
  animation-delay: 15s;
  -webkit-transform-origin: 120px 120px;
  transform-origin: 120px 120px;
}

#col6 {
  left: 75%;
  -webkit-animation-delay: 19s;
  animation-delay: 19s;
}

#col7 {
  left: 90%;
  -webkit-animation-delay: 4s;
  animation-delay: 4s;
}

#col8 {
  left: -5%;
  -webkit-animation-delay: 11s;
  animation-delay: 11s;
}

#col9 {
  left: 25%;
  -webkit-animation-delay: 5s;
  animation-delay: 5s;
}

#col10 {
  left: 50%;
  -webkit-animation-delay: 12s;
  animation-delay: 12s;
}

#col11 {
  left: 67%;
  -webkit-animation-delay: 1s;
  animation-delay: 1s;
  -webkit-animation-duration: 25s;
  animation-duration: 25s;
}

#bub11 {
  -webkit-animation-delay: 1s;
  animation-delay: 1s;
  -webkit-transform-origin: 50px 50px;
  transform-origin: 50px 50px;
}

/* Rotation Animation - Should be set to a factor of 360 to prevent jumpiness */

@keyframes rotator {
  to {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}

@keyframes riser {
  0% {
    opacity: 0.2;
    -webkit-transform: translateY(100%);
    transform: translateY(100%);
  }
  100% {
    opacity: 0.2;
    -webkit-transform: translateY(-250px);
    transform: translateY(-250px);
  }
}

.ambient-player {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
}

.main {
  z-index: 2;
  border-radius: 7px;
}

.decoy {
  z-index: 0;
  opacity: 32%;
  position: absolute;
  filter: blur(30px);
  border-radius: 30px;
}

.bg-boxes {
  height: 100%;
  min-height: 240px;
  position: fixed;
  overflow: hidden;
  width: 100%;
  z-index: -1;
}

.twenty-one {
  backdrop-filter: hue-rotate(90deg);
  margin-top: 20px;
  font-size: 32px;
  padding: 10px 26px;
  background: rgba(255,255,255,0.55);
  color: #091e5c;
  border: 2px solid royalblue;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
  transition: color 400ms;
}

.twenty-one::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #05164b;
  z-index: -1;
  transition: transform 400ms ease-out;
  transform: scaleX(0);
  transform-origin: left;
}

.twenty-one:hover::before {
  transform: scaleX(1);
}

.twenty-one:hover {
  color: #fff;
}

.dropdown-toggle::after {
  display: inline-block;
  margin-left: .255em;
  vertical-align: .255em;
  content: "";
  border-top: .3em solid;
  border-right: .3em solid transparent;
  border-bottom: 0;
  border-left: .3em solid transparent;
}