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