I found and implemented a nice example of a css spinner that is super portable. It’s just a base64’d animated gif placed in css as a background image:
https://codepen.io/davebra/pen/KyaEJM
You just place a div on the page:
<div class="spinnerBase64"></div>
And add some CSS:
.spinnerBase64 {
min-width: 32px;
min-height: 32px;
background-repeat: no-repeat;
background-image: url(data:image/gif;base64,R0lGOl...1S0IAs=);
}
I shortened the base64 string to make the example simple…