org.eclipse.osbp.themes/scss/components/_checkbox.scss

@mixin os-checkbox {
	line-height: $os-unit-size;
	
	label {
		padding-left: ceil($os-unit-size / 2);		
		}

	> input ~ label:before, > input~ label:after {
		width: $os-unit-size;
		height: $os-unit-size - $os-border-width;
		position: absolute;
		left: 0px !important;
		font-size: $os-font-size;
		line-height: $os-unit-size;
		}
	> input ~ label:before {
		height: $os-unit-size;
		border: 0px;
		border-bottom: $os-border;
		background: $os-light-contrast;
		@include box-shadow(none); /*valo mixin*/
		}
	}