How can i remove a button and its functionality for a speciic browser such as firefox but i want to it as remain on chrome?

I want to remove this button and its functionality for Firefox and Safari, but not on Chrome

<button id="start" class="left tooltipped" data-tooltip="Record" style="padding: 16px;border-radius: 100%;position: relative;background: #EB455F;top: 12px;"></button>