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