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