1KA_F2F/resources/sass/admin_new/components/form/fieldset.scss

fieldset{
    margin-bottom: 32px;
    padding: 32px;
    box-sizing: border-box;

    border: 1px solid $gray;

    legend{
        padding: 0 15px;

        font-size: 16px;
        font-weight: 700;
        color: $blue;
        text-transform: uppercase;
    }

    .setting_holder {
        margin: 8px 0;
        display: flex;
        flex-direction: column;

        &:first-of-type{
            margin-top: 0;
        }

        &:last-of-type{
            margin-bottom: 0;
        }

        .setting_item {
            margin: 4px 0;
        }
    }    
}