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