playday.css

/* we're only targeting modern browsers for this exercise */
@font-face {
  font-family: 'Roboto';
  src: url('materialize/fonts/roboto/Roboto-Regular.woff2') format('woff2');
}

/* full-viewport layout using flexbox */
html {
  height: 100%;
}
body {
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* header section holds title, description and prev/next buttons */
header {
  background-color: #fff;
}
h1 {
  font-weight: 300;
  margin-bottom: 1rem;
}
.controls span {
  cursor: pointer;
  opacity: .5;
  font-size: 6rem;
  line-height: 4.2rem;
}
.controls span:hover {
  opacity: 1;
}
/* description is 'clamped' to a single line, hover to reveal up to 3 lines */
h5 {
  position: relative;
  overflow: hidden;
  max-height: 1.8rem;
  transition: max-height 0.5s;
  margin-bottom: 2.1rem;
}
h5:hover {
  max-height: 5.4rem;
}
/* this pseudo-element gives us a fade-out effect when clipping descriptions */
h5::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  width: 15%;
  background: linear-gradient(to right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 1) 50%);
  opacity: 1;
  transition: opacity 0.5s;
}
h5:hover::after {
  opacity: 0;
}

.error {
  padding: 1rem;
  display: none;
}

/* allow the screen to grow/shrink vertically maintaining at least 400px */
.screen {
  display: flex;
  flex-direction: column;
  flex: 1;
  position: relative;
  min-height: 400px;
  background-color: #000;
  transition: filter .25s, -webkit-filter .25s;
}
.screen iframe {
  position: absolute;
  width: 100%;
  height: 100%;
}

/* footer section holds our playlist */
footer.page-footer {
  margin-top: 0;
}
footer .container .row {
  margin: 0 0 10px 0;
}
footer .row .playlist {
  position: relative;
  white-space: nowrap;
  overflow-x: scroll;
  padding: 10px 3px;
  color: #f5f5f5;
  font-weight: 300;
}
.thumb {
  display: inline-block;
  cursor: pointer;
  margin-right: 10px;
}
.thumb:last-child {
  margin-right: 0;
}
.thumb img {
  box-sizing: content-box;
  vertical-align: middle;
  width: 300px;
  height: 168.75px;
  margin-bottom: .5rem;
  border: 1px solid rgba(0, 0, 0, 0);
}
.thumb.selected img,
.thumb:hover img {
  border: 1px solid #aaa;
  box-shadow: 0 0 0 3px #f5f5f5, inset 0 0 0 1px #000;
}