/* hc button */
.wpk-button {width:30px; height:28px; overflow: hidden;}
.wpk-button a img { position: relative; top: 0px; }
.wpk-button a:hover img, 
.wpk-button a:focus img { position: relative; top: -28px;}
.wpk-button a:focus img { }

#hc .wpk-button { width:30px; height:28px;}
#hc .wpk-button a,
#hc .wpk-button a img { background:#222 !important; }*/

/* hc button position */
.top_center { top:0; left:49%; border-radius: 0 0 30px 30px;}
.top_left { top:0; left:0; border-radius: 0 30px 30px 0;}
.top_right { top:0; right:0; border-radius: 30px 0 0 30px;}
.middle_left { top:40%; left:0; border-radius: 0 30px 30px 0;}
.middle_right { top:40%; right:0; border-radius: 30px 0 0 30px;}
.not_display{display: none !important;}