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