html, body {
  width: 100%;
  height: 100%;
}

.player {
  width: 800px;
  height: 600px;
  box-shadow: 0px 0px 15px black;
  display: flex;
  flex-direction: column;
}

.display {
  flex: 1 1 100%;
}

.buttons-area {
  flex: 1 0 auto;
  background: black;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  padding: 0 8px; 
}

.player-button {
  border-style: none;
  cursor: pointer;
  color: white;
  background-color: transparent;
  font-size: 19px;
  line-height: 40px;
  width: 32px;
}