.radio-toolbar input[type="radio"] {
    display: none;
  }
  
  .radio-toolbar label {
    display: inline-block;
    background-color: #ddd;
    padding: 4px 11px;
    font-family: Arial;
    font-size: 16px;
    cursor: pointer;
  }
  
  .radio-toolbar input[type="radio"]:checked+label {
    background-color: red;
    color: white;
  }