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