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