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