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