Element block pseudo-element :after generated with box-sizing content-box border 0px rgba(0,0,0,1) solid text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 0px box-shadow 1px 1px 1px rgba(0,0,0,0.3) display block overflow visible height auto width 160px float none cursor default padding 20px border-radius background font-weight normal font-size 16px transition z-index auto line-height 1 opacity 0.64 position relative transform