Left margin on label misaligns relative to other form elements

[KingMob]

Great project! But why is there a left margin on the checkbox label? It makes it unaligned with the rest of the form by default. I get why it might be necessary if there were multiple horizontally inlined checkboxes, but even there, the first one shouldn't have a left margin. A rule like the following would fix it:

.is-checkradio[type="radio"] + label:first-of-type,
.is-checkradio[type="checkbox"] + label:first-of-type {
    margin-left: 0;
}