---
category: Display
created: '2019-12-21'
description: Fix an element at the middle of side with CSS
keywords: css fixed
thumbnail: /assets/css-layout/thumbnails/fixed-at-side.png
title: Fixed at side
---

## HTML

```html
<!-- Fixed at the middle of left side -->
<div class="fixed-at-side fixed-at-side--l">...</div>

<!-- Fixed at the middle of right side -->
<div class="fixed-at-side fixed-at-side--r">...</div>
```

## CSS

```css
.fixed-at-side {
    position: fixed;
    top: 50%;
    transform: translate(0px, -50%);
}
.fixed-at-side--l {
    left: 0;
}
.fixed-at-side--r {
    right: 0;
}
```

<Playground>
```css placeholders.css hidden
.rectangle {
    background: #d1d5db;
    border-radius: 0.25rem;
    height: var(--rectangle-height);
    width: var(--rectangle-width);
}
.rectangle--hor.rectangle--20 {
    --rectangle-width: 20%;
}
.rectangle--hor.rectangle--40 {
    --rectangle-width: 40%;
}
.rectangle--hor.rectangle--60 {
    --rectangle-width: 60%;
}
.rectangle--hor.rectangle--80 {
    --rectangle-width: 80%;
}
.rectangle--hor.rectangle--100 {
    --rectangle-width: 100%;
}
.rectangle--hor.rectangle--sm {
    --rectangle-height: 0.5rem;
}
.rectangle--hor.rectangle--md {
    --rectangle-height: 2rem;
}
.rectangle--hor.rectangle--lg {
    --rectangle-height: 4rem;
}
.rectangle--ver.rectangle--20 {
    --rectangle-height: 20%;
}
.rectangle--ver.rectangle--40 {
    --rectangle-height: 40%;
}
.rectangle--ver.rectangle--60 {
    --rectangle-height: 60%;
}
.rectangle--ver.rectangle--80 {
    --rectangle-height: 80%;
}
.rectangle--ver.rectangle--100 {
    --rectangle-height: 100%;
}
.rectangle--ver.rectangle--sm {
    --rectangle-width: 0.5rem;
}
.rectangle--ver.rectangle--md {
    --rectangle-width: 2rem;
}
.rectangle--ver.rectangle--lg {
    --rectangle-width: 4rem;
}
```

```css styles.css hidden
body {
    height: 24rem;
}

.fixed-at-side {
    width: 100%;
    height: 100%;
    border: 1px solid #d1d5db;
    border-radius: 0.25rem;

    position: relative;
}

.fixed-at-side__side {
    height: 40%;
    position: absolute;
    top: 50%;
    transform: translate(0px, -50%);
}
.fixed-at-side__side--l {
    left: 0;
}
.fixed-at-side__side--r {
    right: 0;
}
```

```html index.html hidden
<div class="fixed-at-side">
    <div class="fixed-at-side__side fixed-at-side__side--r"><div class="rectangle rectangle--ver rectangle--md rectangle--100"></div></div>
    <div class="fixed-at-side__side fixed-at-side__side--l"><div class="rectangle rectangle--ver rectangle--md rectangle--100"></div></div>
</div>
```
</Playground>
