howbig is an html checkbox code example
Example: how to make a check bigger
.double {
zoom: 2;
transform: scale(2);
-ms-transform: scale(2);
-webkit-transform: scale(2);
-o-transform: scale(2);
-moz-transform: scale(2);
transform-origin: 0 0;
-ms-transform-origin: 0 0;
-webkit-transform-origin: 0 0;
-o-transform-origin: 0 0;
-moz-transform-origin: 0 0;
}