* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  background-color: #ccc;
}

body {
  font: normal 14px sans-serif;
}

#video-placeholder {
  width: 100%;
  height: 85vh;
}

h2 {
  display: block;
  margin-bottom: 6px;
  font-size: 1rem;
  color: #43495f;
  text-align: center;
}

#video_controls_bar {
  position: relative;
  margin-top: 1rem;
  background: #333;
  padding: 10px;
  color: #ccc;
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
}

#prev {
  cursor: pointer;
  opacity: 0.5;
}

#prev:hover {
  opacity: 1;
}

#play {
  cursor: pointer;
  opacity: 0.5;
}

#play:hover {
  opacity: 1;
}

#pause {
  cursor: pointer;
  opacity: 0.5;
}

#pause:hover {
  opacity: 1;
}

#current-time,
#duration {
  font-size: 1.5rem;
  opacity: 0.5;
}

#current-time,
#duration,
#slash {
  font-size: 1.5rem;
  opacity: 0.5;
}

#progress-bar {
  width: 300px;
  opacity: 0.5;
}

#mute-toggle {
  cursor: pointer;
  opacity: 0.5;
}

#mute-toggle:hover {
  opacity: 1;
}

#next {
  cursor: pointer;
  opacity: 0.5;
}

#next:hover {
  opacity: 1;
}

/* Utility */
.container {
  margin: auto;
  padding: 0 1rem;
  overflow: hidden;
}

.wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  grid-column-gap: 1rem;
  grid-row-gap: 1rem;
  justify-items: stretch;
  align-items: stretch;
}

.thumbnail {
  display: block;
  cursor: pointer;
  width: 100%;
  height: auto;
  background: #fff;
  padding: 0.4rem 0.6rem;
}