Element block pseudo-class :active generated with z-index auto overflow hidden font-weight normal margin 0px border 0px rgba(0,0,0,1) solid display block line-height 1 box-sizing content-box box-shadow 1px 1px 1px rgba(0,0,0,0.3) transform height auto padding 20px position static border-radius transition cursor default width 160px text-shadow 2px 1px 1px rgba(0,0,0,0.2) float none font-size 16px background