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