title: How to remove v-btn background in vuetify?
body: <p>How do I remove the background behind the button when I hover or clicking on the v-btn?</p>
  
  <p>I try to set ripple to false, but still have background. I can't find the css does this background.</p>
  
  <p><a href="https://i.stack.imgur.com/5TzXH.png" rel="noreferrer"><img src="https://i.stack.imgur.com/5TzXH.png" alt="enter image description here"></a>
  <div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-js lang-js prettyprint-override"><code>new Vue({
    el: '#app',
    vuetify: new Vuetify(),
    
  })</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;link href="https://fonts.googleapis.com/css?family=Roboto:100,300,400,500,700,900" rel="stylesheet"&gt;
  &lt;link href="https://cdn.jsdelivr.net/npm/@mdi/font@4.x/css/materialdesignicons.min.css" rel="stylesheet"&gt;
  &lt;link href="https://fonts.googleapis.com/css?family=Material+Icons" rel="stylesheet"&gt;
  &lt;link href="https://cdn.jsdelivr.net/npm/vuetify@2.2.15/dist/vuetify.min.css" rel="stylesheet"&gt;
  
  &lt;script src="https://cdn.jsdelivr.net/npm/babel-polyfill/dist/polyfill.min.js"&gt;&lt;/script&gt;
  
  &lt;script src="https://cdn.jsdelivr.net/npm/vue@2.x/dist/vue.js"&gt;&lt;/script&gt;
  &lt;script src="https://cdn.jsdelivr.net/npm/vuetify@2.2.15/dist/vuetify.min.js"&gt;&lt;/script&gt;
  
  
  
  &lt;div id="app"&gt;
    &lt;v-app id="inspire"&gt;
      &lt;v-card flat&gt;
        &lt;v-card-text&gt;
          &lt;v-container fluid class="pa-0"&gt;
            &lt;v-row&gt;
              &lt;v-col cols="12"&gt;
                &lt;p&gt;Normal&lt;/p&gt;
              &lt;/v-col&gt;
    
              &lt;v-col cols="12" sm="3"&gt;
                &lt;v-btn ripple="false" icon color="pink"&gt;
                  &lt;v-icon&gt;mdi-heart&lt;/v-icon&gt;
                &lt;/v-btn&gt;
              &lt;/v-col&gt;
    
            &lt;/v-row&gt;
          &lt;/v-container&gt;
        &lt;/v-card-text&gt;
      &lt;/v-card&gt;
    &lt;/v-app&gt;
  &lt;/div&gt;</code></pre>
  </div>
  </div>
  </p>