This example shows how to customize the buttons tooltips with Bootstrap.
<!DOCTYPE html> <html> <head> <title>Custom tooltips example</title> <script src="https://code.jquery.com/jquery-1.11.2.min.js"></script> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css"> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script> <link rel="stylesheet" href="http://openlayers.org/en/3.8.1/css/ol.css" type="text/css"> <script src="http://openlayers.org/en/3.8.1/build/ol.js"></script> <style> .tooltip-inner { white-space: nowrap; } </style> </head> <body> <div class="container-fluid"> <div class="row-fluid"> <div class="span12"> <div id="map" class="map"></div> </div> </div> </div> <script> var map = new ol.Map({ layers: [ new ol.layer.Tile({ source: new ol.source.OSM() }) ], target: 'map', view: new ol.View({ center: [-8730000, 5930000], rotation: Math.PI / 5, zoom: 8 }) }); $('.ol-zoom-in, .ol-zoom-out').tooltip({ placement: 'right' }); $('.ol-rotate-reset, .ol-attribution button[title]').tooltip({ placement: 'left' }); </script> </body> </html>