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