QuoteGenerator.css

html {
  box-sizing: border-box;
}

*,
*::before,
*::after {
  box-sizing: inherit;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  <video autoplay loop muted>


}

.app {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  background-color: white;
  border-radius: 5px white;

}

header {
  width: 100%;
  font-size: 30px;
  text-align: center;
  padding: 10px;
  color: white;
font-family: 'Reggae One', cursive;
}

.quotes {
  padding: 20px 50px;
  min-height: 200px;
}

.quote-text {
  padding-bottom: 20px;
  font-size: 40px;
  color: white;
  opacity: 0.6;
  font-family: 'Caveat', cursive;

}

.quote-author{
  padding-bottom: 20px;
  font-size: 35px;
  text-align: right;
  color: white;
font-family: 'Caveat', cursive;
}

.controls {
  width: 100%;
  padding: 20px 50px;
}

.button {
  display: block;
  color: white;
  border-radius: 4px;
  border: none;
  padding: 10px 20px;
  cursor: pointer;
  text-align: center;
  max-width: 350px;
  font-size: 20px;

}



.new-quote {

  background-color: rgba(255, 255, 255, 0);
  display:inline-block;
  padding:0.5em 3em;
  border:0.1em solid rgba(255, 255, 255, 0.534);
  margin:0 0.3em 0.3em 0;
  box-sizing: border-box;
  text-decoration:none;
  text-transform:uppercase;
  font-family:'Roboto',sans-serif;
  font-weight:400;
  color:rgba(255, 255, 255, 0.705);
  text-align:center;
  transition: all 0.15s
}

.new-quote:hover {
  background-color:transparent;
}

.new-quote:disabled {
  background-color: trnsparent;
  color: #cfcfcf60;
  cursor: not-allowed;
}

@media screen and (max-width: 600px) {
  .app {
    width: 100%;
  }
  .quote-text {
    font-size: 18px;
  }
}

.spinner {
  margin: 10px auto;
  width: 50px;
  height: 40px;
  text-align: center;
  font-size: 10px;
}

.spinner.hidden {
  visibility: hidden;
}

.spinner > div {
  background-color: #rgba(255, 255,255,0.651);
  height: 100%;
  width: 6px;
  display: inline-block;

  -webkit-animation: sk-stretchdelay 1.2s infinite ease-in-out;
  animation: sk-stretchdelay 1.2s infinite ease-in-out;
}

.spinner .rect2 {
  -webkit-animation-delay: -1.1s;
  animation-delay: -1.1s;
}

.spinner .rect3 {
  -webkit-animation-delay: -1.0s;
  animation-delay: -1.0s;
}

.spinner .rect4 {
  -webkit-animation-delay: -0.9s;
  animation-delay: -0.9s;
}

.spinner .rect5 {
  -webkit-animation-delay: -0.8s;
  animation-delay: -0.8s;
}

@-webkit-keyframes sk-stretchdelay {
  0%, 40%, 100% { -webkit-transform: scaleY(0.4) }
  20% { -webkit-transform: scaleY(1.0) }
}

@keyframes sk-stretchdelay {
  0%, 40%, 100% {
    transform: scaleY(0.4);
    -webkit-transform: scaleY(0.4);
  }  20% {
    transform: scaleY(1.0);
    -webkit-transform: scaleY(1.0);
  }
}