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