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