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