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