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