Hello Pamela,
Go to Dashboard>>Appearance>>Customize>>Additional css and add the following css;
@media only screen and (min-width: 1024px){
#top-group .col-md-3 {
min-width: 275px;
}
}
Note: Make sure to use child theme so that your custom changes won’t lost upon theme updates.
Let us know.
Best regards,
Bidur