Edit in JSFiddle

(function(){
    // My container
    var menu = document.getElementById('menu2');
    
    // Items list, in this case first element is the button
    var items = [
        {className: 'glyphicon glyphicon-plus'},
        {className: 'glyphicon glyphicon-move'},
        {className: 'glyphicon glyphicon-edit'},
        {className: 'glyphicon glyphicon-check'},
        {className: 'glyphicon glyphicon-share'},
        {className: 'glyphicon glyphicon-cloud-download'},
        {className: 'glyphicon glyphicon-shopping-cart'},
        {className: 'glyphicon glyphicon-folder-open'},
        {className: 'glyphicon glyphicon-transfer'}
    ];
    
    // Radial options
    var options = {
        button: true,
        container: {
            height: '200px',
            width: '200px'
        }
    };
    
    // Create new Radial object
    var radial = new Radial(items, options);
    
    // Append radial to the container
    menu.appendChild(radial.render());
    
    // On click on the button, toggle menu
    var button = menu.querySelector('.radial__button');
    button.addEventListener('click', function(){
        radial.toggle();
    });
    
})();

<div id="menu2"></div>

#menu2 {
    position: absolute;
    top: 20%;
    left: 20%;
    font-size: 19px;
}

#menu2 .radial__item, #menu2 .radial__button {
    background: #2a7ae5;
    color: white;
    padding: 10px;
    border-radius: 50%;
}

#menu2 .radial__button {
    cursor: pointer;
}

#menu2 .radial__item {
    z-index: -1;
    
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -ms-transform: scale(0);
    transform: scale(0);
    
    
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -ms-transition: all 0.5s;
    transition:  all 0.5s;
}

#menu2 .radial__item.show {
    
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    -ms-transform: scale(1);
    transform: scale(1);
    
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -ms-transition: all 0.5s;
    transition:  all 0.5s;
}