<style>

.wetoz .container-left {position: relative;width: calc(100% - 850px);float: left; box-sizing: border-box;padding: 10px;}

.wetoz .container-right {position: relative;/*border-left: 1px solid #ddd;*/float: right;width: calc(100% - 180px); box-sizing: border-box;padding: 10px;}

</style>

<div class="wetoz">

    <div class="container-left">

    11

    </div>

    <div class="container-right">

    00

    </div>

</div>