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