UI Library

<div class="m-alert">
    <div class="m-alert__overlay"></div>
    <div class="m-alert__window">
        <h3 class="m-alert__title">Alert</h3>
        <div class="m-alert__content-wrapper">
            <p class="m-alert__content">I am about to perform this action. Thought of letting you know.</p>
            <button class="m-btn m-btn--primary m-alert__btn">Okay</button>
        </div>
    </div>
</div>