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