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