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