Since the `border: 0;` property is applied to every checkbox, there is no need for a class. This is also a good opportunity to use ternaries for the `checked` attribute, instead of clumsy `if`.
Since the `border: 0;` property is applied to every checkbox, there is no need for a class. This is also a good opportunity to use ternaries for the `checked` attribute, instead of clumsy `if`.