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