Custom Checkbox (CSS only)

A custom crossbrowser solution for CSS only checkboxes that don't rely on background images (although this is easily changeable, if desired).

by Dini Mer

HTML

<div class="custom-check">
    <input class="custom-check-input" id="someCheck" name="someCheck" type="checkbox" />
    <label class="custom-check-elem" for="someCheck"></label>
    <label class="custom-check-label" for="someCheck">Checkbox-Label</label>
</div>

<div class="custom-radio">
    <input class="custom-radio-input"  id="someRadio-1" name="someRadio" type="radio" />
    <label class="custom-radio-elem" for="someRadio-1"></label>
    <label class="custom-radio-label" for="someRadio-1">Radiobutton Label 1</label>
</div>
<div class="custom-radio">
    <input class="custom-radio-input"  id="someRadio-2" name="someRadio" type="radio" />
    <label class="custom-radio-elem" for="someRadio-2"></label>
    <label class="custom-radio-label" for="someRadio-2">Radiobutton Label 2</label>
</div>

CSS

*, *:before, *:after {
    -webkit-box-sizing: padding-box;
       -moz-box-sizing: padding-box;
            box-sizing: padding-box;
}

.custom-check, .custom-radio { margin: 20px; }

/* VISUALLY HIDE THE ORIGINAL CHECKBOX/RADIOBUTTON */
.custom-check input[type=checkbox],
.custom-radio input[type=radio] {
    width: 1px;
    height: 1px;
    padding: 0;
    border: 0;
    margin: -1px;
    clip: rect(0,0,0,0);
    overflow: hidden;
    position: absolute;
}

.custom-check-elem, .custom-radio-elem,
.custom-check-label, .custom-radio-label {
    cursor: pointer;
    vertical-align: middle;
}

/* CUSTOM CHECKBOX */
.custom-check-elem, 
.custom-radio-elem { 
    display: inline-block;
    position: relative;
    margin-right: 4px;
    border: 2px solid black;
    width: 16px;
    height: 16px;
}
/* CUSTOM RADIOBUTTON */
.custom-radio-elem { 
    -webkit-border-radius: 999px;
    -moz-border-radius: 999px;
    border-radius: 999px;
}

/* CUSTOM CHECKBOX/RADIOBUTTON CHECK */
.custom-check-elem:before,
.custom-radio-elem:before {
    content: "\00d7";
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    font-family: verdana, arial, sans-serif;
    font-size: 1.0em;
    line-height: 1.0em;
    color: black;
    font-weight: bold;
    text-align: center;
}
/* CUSTOM RADIOBUTTON CHECK */
.custom-radio-elem:before {
	content: "\2022";
	font-size: 1.25em;
	line-height: 0.7em;
}

/* PSEUDO ELMENT CONTENT FOR CHECKED STATE */
.custom-check-input:checked + .custom-check-elem:before,
.custom-radio-input:checked + .custom-radio-elem:before { display: block; }
/* IE8: needs js-fallback for :checked, don't mix selectors! */
.custom-check-input.checked + .custom-check-elem:before,
.custom-radio-input.checked + .custom-radio-elem:before { display: block; }