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