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