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