• Set the field name on the input element
• Delete the space in the require attribute's value to make field not required
• Style checked state from embed

<style>
.checkbox-1_label:has(input:checked) .checkbox-1_box {
	background-color: currentColor;
}
.checkbox-1_label:has(input:checked) .checkbox-1_icon {
	opacity: 1;
}
</style>