Element block pseudo-element :before generated with width 160px transform box-sizing content-box height auto padding 20px border 0px rgba(0,0,0,1) solid overflow hidden font-size 16px margin 0px font-weight normal float none box-shadow 1px 1px 1px rgba(0,0,0,0.3) transition display block text-shadow 1px 1px 1px rgba(0,0,0,0.2) z-index auto line-height 1 cursor default position static border-radius background