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