css.css

.body {
  background-size: cover;
}

.header {
  box-shadow: inset 0 0 0 3000px rgba(255, 255, 255, 0.3);
}

.header-text {
  color: cyan;
}

#center {
  text-align: center;
}

.content-area {
  margin-top: 25px;
  margin-left: 230px;
  text-align: center;
}

.col-sm-2 {
  color: cyan;
  box-shadow: inset 0 0 0 30px rgba(255, 255, 255, 0.2);
  text-shadow: 0 0 8px #000;
  margin-right: 50px;
  cursor: pointer;
}

#myInput {
  color: black;
  background-color: #f6f6f63d;
  width: 250px;
  font-size: 16px;
  padding: 12px 20px 12px 40px;
  border: 1px solid rgba(97, 93, 93, 0.473);
  margin-bottom: 12px;
}

#myUL {
  list-style-type: none;
  overflow: scroll;
  overflow-x: auto;
  width: 250px;
  max-height: 550px;
  padding: 0;
  margin: 0;
}

#myUL li a {
  border: 1px solid #ddd;
  margin-top: -1px;
  background-color: #f6f6f63d;
  padding: 12px;
  text-decoration: none;
  font-size: 18px;
  color: black;
  display: block;
}

#dowen {
  margin-top: 25px;
  border-radius: 32px;
}

.iframe {
  vertical-align: middle;
  float: right;
}

#myUL li a:hover:not(.header) {
  background-color: #eee;
}

#play {
  font-family: futura;
  font-style: italic;
  color: #313131;
  font-weight: bold;
  -webkit-animation: colorchange .5s infinite alternate;
}

@keyframes colorchange {
  0% {
      color: blue;
  }
  10% {
      color: #8e44ad;
  }
  20% {
      color: #1abc9c;
  }
  30% {
      color: #d35400;
  }
  40% {
      color: blue;
  }
  50% {
      color: #34495e;
  }
  60% {
      color: blue;
  }
  70% {
      color: #2980b9;
  }
  80% {
      color: #f1c40f;
  }
  90% {
      color: #2980b9;
  }
  100% {
      color: pink;
  }
}