csslayout/contents/cookie-banner.mdx

---
category: Display
created: '2019-11-30'
description: Create a cookie banner with CSS flexbox
keywords: css cookie banner, css flexbox
thumbnail: /assets/css-layout/thumbnails/cookie-banner.png
title: Cookie banner
---

## HTML

```html index.html
<div class="cookie-banner">
    <!-- Tells visitors that the website uses cookie -->
    <div class="cookie-banner__content">...</div>

    <!-- Close button -->
    ...
</div>
```

## CSS

```css styles.css
.cookie-banner {
    /* Banner is displayed at the bottom */
    bottom: 0;
    left: 0;
    position: fixed;
    width: 100%;

    /* Center the content */
    align-items: center;
    display: flex;
    justify-content: center;
}

.cookie-banner__content {
    /* Take available width */
    flex: 1;
}
```

<Playground>
```css placeholders.css hidden
.lines {
    padding: 0.25rem 0;
    width: 100%;
    align-items: center;
    display: flex;
    justify-content: center;
    flex-direction: column;
}
.line {
    background: #d1d5db;
    height: 1px;
    margin-bottom: 0.25rem;
}
.line.line--20 {
    width: 20%;
}
.line.line--40 {
    width: 40%;
}
.line.line--60 {
    width: 60%;
}
.line.line--80 {
    width: 80%;
}
.line.line--100 {
    width: 100%;
}
```

```css styles.css hidden
body {
    height: 24rem;
}
.cookie-banner {
    border: 1px solid #d1d5db;
    border-radius: 0.25rem;

    height: 100%;
    width: 100%;

    align-items: end;
    display: flex;
}

.cookie-banner__content {
    border-top: 1px solid #d1d5db;
    /* Take available width */
    flex: 1;
    padding: 0 0.5rem;
}
```

```html index.html hidden
<div class="cookie-banner">
    <div class="cookie-banner__content">
        <div class="lines">
            <div class="line line--80"></div>
            <div class="line line--40"></div>
            <div class="line line--100"></div>
            <div class="line line--60"></div>
            <div class="line line--20"></div>
        </div>
    </div>
</div>
```
</Playground>