onclick css
HTML
<div id="someBoxes">hello</div>
CSS
#someBoxes {
width:200px;
height: 200px;
background: red;
}
.someBox {
color: white;
padding: 200px;
}
JavaScript
document.getElementById("someBoxes").onclick = function() {
if (document.getElementById("someBoxes").className == "someBox") {
document.getElementById("someBoxes").className = "";
} else {
document.getElementById("someBoxes").className = "someBox";
}
};