Element block pseudo-element :before generated with box-sizing content-box font-size 16px line-height 1 box-shadow 2px 2px 0px rgba(0,0,0,0.3) padding 8px z-index auto overflow visible width auto font-weight normal border-radius cursor default display block transform height auto opacity 1 float none text-shadow outline none margin 0px border 1px rgba(0,0,0,1) solid transition background position static