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