div.panel_list a
{
  flex: 0 0 auto;
  flex-direction: column;
  width: 224px; /* width of thumbnail + padding */
}

div.panel_list a div.player_box
{
  display: block;
  position: relative;
  width: 200px;
  height: 112px;
  margin: 0 auto 8px auto;
  background: no-repeat;
  background-origin: content-box;
  background-position: center;
  background-size: cover;
  cursor: pointer;
}

div.panel_list a div.img_caption
{
  width: 100%;
  justify-content: center;
  text-align: center;
  font-size: .9em;
}