Element block pseudo-element :after generated with position static opacity 1 display block float none margin 0px overflow hidden transform width 160px padding 20px border 0px rgba(0,0,0,1) solid background border-radius box-shadow 6px 6px 6px rgba(0,0,0,0.3) outline none transition line-height 0 height auto font-size 20px z-index auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) cursor default font-weight normal box-sizing content-box