ul.checkmark {
	padding: 0;
	margin: 0 auto;
	box-sizing: border-box;
	max-width: 1000px;
	list-style-type: none;
}

ul.checkmark * {
	box-sizing: border-box;
}

ul.checkmark li {
	display: block;
	position: relative;
	font-size: 18px;
	margin-bottom: 25px;
	padding-left: 45px;
	list-style-type: none;
} 

ul.checkmark li:before {
	position: absolute;
	content: " ";
	width: 38px;
	height: 38px;
	left: -10px;
	top: 8px;
	background-image: url('checkmark_svg.php?color=');
	background-size: 100% auto;
	background-repeat: no-repeat;
}

@media (max-width:390px) {
	ul.checkmark li {
		font-size: 1.1em;
	}

	ul.checkmark li {
		padding-left: 35px;
	}
	ul.checkmark li:before {
		width: 20px;
		height: 20px;
		left: 5px;
	}
}

@media (min-width:391px) and (max-width:480px) {
	ul.checkmark li {
		padding-left: 35px;
	}
	ul.checkmark li:before {
		width: 20px;
		height: 20px;
		left: 5px;
	}
}

@media (min-width:481px) and (max-width:768px) {
	ul.checkmark li {
		padding-left: 35px;
	}
	ul.checkmark li:before {
		width: 28px;
		height: 28px;
		left: 0px;
	}
}