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