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