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