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