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