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