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