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