.k_player {
position: relative;
display: block;
width: 100%;
padding-bottom: 56%;
background-color: #000;
background-size: contain;
cursor: pointer; }
.k_player_play {
position: absolute;
display: block;
bottom: 10px;
left: 10px;
width: 50px;
height: 50px;
border-radius: 50%;
border: 2px solid #fff;
cursor: pointer; }
.k_player_play:before {
position: absolute;
top: 13px;
left: 19px;
content: '';
display: inline-block;
width: 0;
height: 0;
border: 12px solid transparent;
border-right-width: 20px;
border-left: 20px solid #fff; }
.k_player:hover .k_player_play {
border-color: #999; }
.k_player:hover .k_player_play:before {
border-left-color: #999; }