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