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