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