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