.umodal_button_left{display:block;left:-4px;top:54%;position:fixed;-webkit-transform:rotate(-90deg);-moz-transform:rotate(-90deg);-o-transform:rotate(-90deg);-ms-transform:rotate(-90deg);transform:rotate(-90deg);-webkit-transform-origin:left top 0;-moz-transform-origin:left top 0;-o-transform-origin:left top 0;-moz-transform-origin:left top 0;transform-origin:left top 0;text-align:center}.umodal_button_right{display:block;right:-4px;top:50%;position:fixed;-webkit-transform:rotate(90deg);-moz-transform:rotate(90deg);-o-transform:rotate(90deg);-ms-transform:rotate(90deg);transform:rotate(90deg);-webkit-transform-origin:right top 0;-moz-transform-origin:right top 0;-o-transform-origin:right top 0;-moz-transform-origin:right top 0;transform-origin:right top 0;text-align:center}.umodal_button_top{display:block;top:-4px;left:46%;position:fixed;text-align:center;left:0;right:0;margin:0 auto}.umodal_button_bottom{display:block;bottom:-4px;position:fixed;text-align:center;left:0;right:0;margin:0 auto}