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