Element block pseudo-element :before generated with background transition width 160px transform padding 20px box-shadow 1px 1px 1px rgba(0,0,0,0.3) float none box-sizing content-box line-height 1 font-weight normal border-radius height auto font-size 16px position static text-shadow 1px 1px 1px rgba(0,0,0,0.2) border 3px rgba(0,0,0,1) solid overflow visible z-index auto display block cursor default margin 0px