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