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