.music {
  background-size: contain;
  background-position: center center;
  background-repeat: no-repeat;
}

.control.ui-btn-left,
.trivia-btn.ui-btn-right {
  top: auto;
  bottom: 7px;
  margin: 0;
}

.flex-buttons {
  display: flex;
  flex-direction: row;
  width: 100%;
  height: 100%;
  margin: 0;
  align-items: stretch;
}

.flex-buttons * {
  padding: 20px;
  list-style: none;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-grow: 1;
  height: 100%;
  width: 100%;
  padding: auto;
}