Bootstrap Breadcrumb line return responsive

I've this breadcrumb

Home > News > Long title of the news that goes on other line

<nav aria-label="Fil d'ariane" class="breadcrumb">
    <ol>
        <li>
            <a class="mdi mdi-home" href="https://google" id="ariane_n1">Google</a>
        </li>
        <li>
            <a href="https://google/news">News</a>
        </li>
        <li>
            <a href="https://google/news/7357"><span aria-current="page" class="ariane_courant">Long title of the news that goes on other line</span></a>
        </li>
    </ol>
</nav>

With this css

.breadcrumb {
    background-color: white;
    border-radius: unset;
    margin: .3rem 0 .5rem 0;
    padding: 0;
    display: flex; <== bootstrap
    flex-wrap: wrap; <== bootstrap
    list-style: none; <== bootstrap
}
.breadcrumb ol {
    align-items: baseline;
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    margin: 0;
    padding: 0;
}
.breadcrumb li::before {
    content: "›";
    padding: 0px 0px 0px 0.25rem;
}
.breadcrumb li:first-child::before {
    content: "";
}

On small screen like smartphone, the breadcrumb is displayed like :
Home > News
> Long title of the news that goes on other line

I would like it is displayed on full width, with a line return at the end of the screen :
Home > News > Long title of the
news that goes on other line

Solution

I got rid of using flex on the ol, made the li elements be inline and tweaked the padding.

.breadcrumb {
    background-color: white;
    border-radius: unset;
    margin: .3rem 0 .5rem 0;
    padding: 0;
    display: flex; <== bootstrap
    flex-wrap: wrap; <== bootstrap
    list-style: none; <== bootstrap
}
.breadcrumb ol {
    list-style: none;
    margin: 0;
    padding: 0 0 0 0.25rem;
}
.breadcrumb li {
    display: inline;
}
.breadcrumb li + li::before {
    content: "›";
}

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</head>
<body style="width:300px">
        
    <nav aria-label="Fil d'ariane" class="breadcrumb">
    <ol>
        <li>
            <a class="mdi mdi-home" href="https://google" id="ariane_n1">Google</a>
        </li>
        <li>
            <a href="https://google/news">News</a>
        </li>
        <li>
            <a href="https://google/news/7357"><span aria-current="page" class="ariane_courant">Long title of the news that goes on other line</span></a>
        </li>
    </ol>
</nav>
</html>