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