Link Blocks give you maximum control over how your filters appear and behave. Just like with button filters, you can set them up to either allow multiple selections or only one selection. In this example, we are allowing multiple selections and Lottie animation icons for some fun.
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When a Link Block is clicked, Jetboost automatically adds a class to it named jetboost-filter-active. Using css, you can show or hide elements inside of your Link Block. Here we use a simple css rule to show a checkmark for selected options.

<!--JetBoost Custom Icon--> 
<style>
.jetboost-filter-active .custom-check-icon {
  display: block;
}
</style>