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