src/main/java/com/googlesource/gerrit/plugins/cookbook/public/cookbook.css - plugins/cookbook-plugin - Git at Google

 .cookbook-panel {
   border-spacing: 0px 5px;
 }

 .cookbook-helloButton {
   margin-left: 35px !important;
   margin-right: 450px !important;
 }
	.cookbook-panel {
	border-spacing: 0px 5px;
	}

	.cookbook-helloButton {
	margin-left: 35px !important;
	margin-right: 450px !important;
	}