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