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