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