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