.icon-logo { background-image: url('png/logo.png'); background-repeat: no-repeat; }

.icon-puffin { background-image: url('png/puffin.png'); background-repeat: no-repeat; }

.icon-wire { background-image: url('png/wire.png'); background-repeat: no-repeat; }

.icon-z_old-logo { background-image: url('png/z_old-logo.png'); background-repeat: no-repeat; }