.btn_xfields_vk {
    border-bottom: solid 3px #236fa1;
    background: #2980b9;
    color: #000000;
    cursor: pointer;
    display: block;
    font: normal 21px/24px kelson_sans_rulight, Arial, Helvetica, sans-serif;
    line-height: 18px;
    margin: 5px 1px;
    padding: 10px 0;
    text-align: center;
	}
.btn_xfields_vk:hover {
    background: #1F6EA1;
    border-bottom: solid 3px #114F77;
	}
.btn_xfields_vk.active {
	color: #ffffff;
	}
.vk_player {
    display: none;
    margin: 0 auto;
    position: relative;
    text-align: center;
    height: 373px;
    width: 638px;
	}
.vk_player.active {

	}