cocher html
<form>
<input type="checkbox" name="love" value="love" id="love"><label for="love"> Check if you love this website!</label>
</form>
Fancy Fly
<form>
<input type="checkbox" name="love" value="love" id="love"><label for="love"> Check if you love this website!</label>
</form>input {
display:none;
}
:checked + label {
border: 1px solid rgba(81, 203, 238, 1);
box-shadow: 0 0 5px rgba(81, 203, 238, 1);
}
<input type="checkbox">