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