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