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