Element block pseudo-element :before generated with display block transform box-sizing content-box padding 5px margin 5px border-radius border 0px rgba(0,0,0,1) solid z-index auto cursor default height auto font-size 16px width 160px background transition line-height 1 box-shadow 2px 2px 4px rgba(0,0,0,0.3) float none position static font-weight normal text-shadow overflow hidden