https://codepen.io/ViktorVrablik/pen/gOyWwvO

.gallery {
		display: flex;
    height: 300px;
		column-gap: 10px;
		overflow-x: scroll;
}

<div class="gallery">
		<img src="https://blog.inpage.cz/obrazek/3/kitten-jpg/">
		<img src="https://t3.ftcdn.net/jpg/05/58/11/24/360_F_558112436_hIc8crhQaUhhLAHYTvJg2DPFjaZBTxxy.jpg">
		<img src="https://blog.inpage.cz/obrazek/3/kitten-jpg/">
		<img src="https://i.iinfo.cz/images/644/co-umi-generator-obrazku-dall-e-3-s-chatgpt-3.webp">
	  <img src="https://www.i60.cz/images/puppy-1903313-1920.jpg">
	  <img src="https://blog.inpage.cz/obrazek/3/kitten-jpg/">
	  <img src="https://blog.inpage.cz/obrazek/3/kitten-jpg/">
	  <img src="https://blog.inpage.cz/obrazek/3/kitten-jpg/">
</div>