How to use the bulma/css/bulma.css.title function in bulma

render() {
    const { icon, xtraClassName } = this.props;
    const iconComp = typeof icon === 'string' ? (predefinedIcons[icon] || faExclamation) : icon;
    return (
      <div>
        <div>
          <div>
            <h4>
              <span>
                
              </span>
              {this.props.title}
            </h4>
            <hr>
            {this.props.content &amp;&amp;
            <div>
              {
                typeof this.props.content === 'string'
                  ? <p>{this.props.content}</p> : this.props.content
              }
            </div>
            }
            {this.props.children &amp;&amp;
              <div></div></div></div></div>

render() {
    const { name, title, contacts, image } = this.props
    return (
      <div>
        <div>
          <div>
            <div>
              <div>
                <div>
                  <div>
                    <figure>
                      <img src="{image}">
                    </figure>
                  </div>
                  <div>
                    <h1>{name}</h1>
                    <h3>{title}</h3>
                  </div>
                </div>
                <div>
                  <div>
                    
                  </div>
                </div>
              </div>
            </div>

          </div></div>
      </div>
    );

{groups.map((group) => {
            const { sectionHeader, description, items } = group;
            return (<div>
              <div>
                <div>
                  <h5>
                    {sectionHeader}
                  </h5>
                  <span> - {description}</span>
                </div>
              </div>
              <hr>
              <div>
                {items.map((project) =&gt; {
                  const { projectUrl, title, description } = project;
                  return (
                    <div>
                      <h6>
                        {projectUrl ? <a href="{getFixedUrl(projectUrl)}">{title}</a> : title}
                      </h6></div></div></div>