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