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