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