.w_b_icon{position:absolute;z-index:2}.w_b_icon_R{right:0}.w_b_icon_L{left:0}.w_b_icon_T{top:-5px}.w_b_icon_B{bottom:-5px}.w_b_icon_HC{margin:auto;left:0;right:0}.w_b_icon_VC{margin:auto;top:0;bottom:0}.w_b_icon-S{width:30%;height:30%}.w_b_icon-M{width:40%;height:40%}.w_b_icon-L{width:50%;height:50%}