<div class="kirilkirkov__fast-mvc">
    <div><?= $execution_time ?></div>
    <div><?= $mem_usage ?></div>
</div>
<style>
.kirilkirkov__fast-mvc {
    position: absolute;
    bottom:0;
    left:0;
    padding:10px;
    background-color: #e6484b;
    color:#fff;
    text-align: center;
    width: 100%;
}
</style>