logo image css
<!-- Try your best to make sure that your logo has a transparent background -->
<div class="container">
<img src="https://www.google.com/images/branding/googlelogo/2x/googlelogo_color_92x30dp.png" alt="googleimage">
</div>
<!-- css: Set your container size to whatever you want -->
.container{
border: 1px solid transparent;
width: 100px;
height: 100px;
}
.container img{
width: 100%;
height: auto;
}