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