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