sep or sep

<div style="
    display: flex;
    align-items: center;
    padding: 0 10px;
">
    <div style="
        width: 50%;
        height: 1px;
        background: gray;
        margin: ;
    "></div>
    <div style="
        margin: 0 10px;
    "> or </div>
    <div style="
        width: 50%;
        height: 1px;
        background: gray;
    ">
    </div>
</div>