Element block pseudo-class :active generated with box-sizing content-box transition cursor default padding 20px font-weight normal background width 160px transform font-size 16px float none line-height 1 position static border 0px rgba(0,0,0,1) solid text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-shadow 1px 1px 1px rgba(255,0,0,0.3) border-radius margin 0px display block z-index auto overflow hidden height auto