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