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