app/assets/stylesheets/bootstrap_overrides.css.scss
.nav-tabs>li>a {
line-height: 1;
}
.table>thead>tr>th, .table>thead>tr>td, .table>tbody>tr>th, .table>tbody>tr>td, .table>tfoot>tr>th, .table>tfoot>tr>td {
vertical-align: middle;
padding-left: 8px;
padding-bottom: 4px;
padding-right: 8px;
padding-top: 4px;
line-height: 1;
}
.form-control {
// bootstrap.css#1868
border: .1rem solid #ccc;
}