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