Checkbox

by cent cent

HTML

<input id="txt" type="text" value="input" /><br /><br />
<div class="chkGroup">
    <input id="chk" type="checkbox" />
    <label for="chk" accesskey="L">Checkbox</label>
</div>

CSS

div.chkGroup { position: relative; }
input#chk {
    position: absolute;
    width: 1px; 
    height: 1px;
    margin: 0;
    outline: none;
    border: 1px solid transparent; 
    background-color: transparent;
    opacity: 0;
    z-index: -1;
}
label::before {
    content: '\2714';
    position: relative;
    width: 18px; height: 18px;
    background-color: #fff;
    margin-right: 8px; padding: 2px;
    display: inline-block; 
    border: 1px solid transparent;
}
input#chk:checked + label::before {
    content: '\2716';
}
input#chk:focus + label::before {
    border: 1px solid #00f;
}