main.css

body {
  color: yellow;
  background-color: #5792CC;
  background-repeat: no-repeat;
  background-size: cover;
}

h1, h3 {
  text-align: center;
  color: yellow;
  font-family: Arial;
  font-style: normal;
  line-height: 70px;
}

textarea, audio, video, img {
  width: 100%;
  padding: 20px;
}

audio {
  margin-top: 30px;
}

.credit {
  position: fixed;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 5px;
}

.icons {
  float: left;
  margin: 10px;
}

.filedirnames {
  text-align: center;
}

center {
  padding: 15px;
}

.btn, .btn-large {
  margin: 5px;
}

#downloadfile {
  display: block;
  margin: auto;
}

a.button {
  padding: 20px 20px 20px 20px;
  text-decoration: none;
  color: inherit;
}

.radio-buttons {
  padding: 5px 0;
}

input[type="radio"]:checked+label {
  color: yellow;
}

input[type="radio"]:not(:checked)+label {
  color: #d1d1d1;
}

input[type="radio"]:checked+label:before, [type="radio"]:not(:checked)+label:after {
  border: 2px solid yellow;
  border-radius: 50%;
}

input[type="radio"]:checked+label:after {
  border: yellow;
  border-radius: 50%;
  background-color: yellow;
}

.material-icons.md-18 {
  font-size: 18px;
}

.material-icons.md-24 {
  font-size: 24px;
}

.material-icons.md-36 {
  font-size: 36px;
}

.material-icons.md-48 {
  font-size: 48px;
}


/* fallback */

@font-face {
  font-family: 'Material Icons';
  font-weight: 400;
  font-style: normal;
  src: url(./fonts/icons.woff2) format('woff2');
}

.material-icons {
  display: inline-block;
  white-space: nowrap;
  letter-spacing: normal;
  text-transform: none;
  word-wrap: normal;
  font-family: 'Material Icons';
  font-size: 24px;
  font-weight: normal;
  font-style: normal;
  line-height: 1;
  direction: ltr;
  -webkit-font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
}