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