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