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