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