#customBtn {
    display: inline-block;
    background: #4285f4;
    color: white;
    width: 250px;
    border-radius: 5px;
    white-space: nowrap;
  }
  #customBtn:hover {
    cursor: pointer;
  }
  span.label {
    font-weight: bold;
  }
  span.icon {
    background: url('https://google-developers.appspot.com/identity/sign-in/g-normal.png') transparent 5px 50% no-repeat;
    display: inline-block;
    vertical-align: middle;
    width: 42px;
    height: 42px;
    border-right: #2265d4 1px solid;
  }
  span.buttonText {
    display: inline-block;
    vertical-align: middle;
    padding-left: 42px;
    padding-right: 42px;
    font-size: 14px;
    font-weight: bold;
    /* Use the Roboto font that is loaded in the <head> */
    font-family: 'Roboto', sans-serif;
  }