Простой человек

input[type="checkbox"]{
	position: relative;
	visibility: hidden;
	&:after {
		content:'\2610';
		position: absolute;
		left:0;
		top:0;
		visibility: visible;
	}
	&:checked:before{
		content:'\2713';
		font-size: 1.5em;
		position: absolute;
		left:0;
		top:-.5rem;
		visibility: visible;
	}
}