Try this css:
.acf-fields.-taxonomy input[type=”checkbox”] {
display: block;
width: 100%;
margin-bottom: 10px;
}
.acf-fields.-taxonomy .acf-checkbox-list {
column-count: 3;
column-gap: 20px;
}
Can someone please who has the answer to this please share. This is super annoying when this is not working on the frontend.