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