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