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