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