Element block pseudo-class :active generated with z-index auto padding 20px float none font-weight normal box-shadow 1px 1px 1px rgba(0,0,0,0.3) height auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) transition position static font-size 16px width 300px background display block line-height 1 border 1px rgba(0,0,0,1) solid overflow hidden margin 0px border-radius cursor default transform box-sizing content-box