<!DOCTYPE html>
<style>
    body {
        height: 200%;
    }
    div {
        width: 400px;
        height: 25px;
        background-color: silver;
        text-align: center;
        margin: 8px 0;
    }
    #absolute {
        position: absolute;
        width: 25px;
        height: 25px;
        background-color: rgba(0, 0, 255, 0.5);
    }

    span {
        unicode-bidi: embed;
    }
</style>
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