JSFiddle - React, Tailwind, and code Playground

by David Nabb

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css">
<ul class="cd-accordion-menu animated">
    <li class="has-children">
        <input type="checkbox" name="group-1" id="group-1" checked>
		<label for="group-1">Canapes</label>
        <ul>
			<li class="has-children">
                <input type="checkbox" name ="sub-group-1" id="sub-group-1">
                <label for="sub-group-1">Savoury</label>
				<ul>
					<li class="has-children">
                        <input type="checkbox" name ="sub-group-level-3" id="sub-group-level-3">
                        <label for="sub-group-level-3">Meat</label>
						<ul>
							<li>Some details</li>
						</ul>
					</li>
					<li class="has-children">
                        <input type="checkbox" name ="sub-group-level-3" id="sub-group-level-3">
                        <label for="sub-group-level-3">Seafood</label>
						<ul>
							<li>Some details</li>
						</ul>	
					</li>
					<li class="has-children">
                        <input type="checkbox" name ="sub-group-level-3" id="sub-group-level-3">
                        <label for="sub-group-level-3">Vegetarian</label>
						<ul>
							<li>Some details</li>
						</ul>	
					</li>
				</ul>	
			</li>
			<li class="has-children">
                <input type="checkbox" name ="sub-group-2" id="sub-group-2">
                <label for="sub-group-2">Sweet</label>
				<ul>
					<li>Some details</li>
				</ul>	
			</li>
		</ul>	
    </li>
    <li class="has-children">Small Plates
        <ul>
			<li class="has-children">Mini Bowls
				<ul>
					<li>Some details</li>
				</ul>
			</li>
			<li class="has-children">Sandwiches
				<ul>
					<li>Some details</li>
				</ul>	
			</li>
			<li class="has-children">Tapas
				<ul>
					<li>Some details</li>
				</ul>	
			</li>
		</ul>	
    </li>
    
    <li class="has-children">Breakfast
        <ul>
			<li class="has-children">Cold
				<ul>
					<li>Some...

CSS

li {
    list-style: none;
    font-family: greenteacookies;
    letter-spacing: 1px; 
    font-weight: bold;
    background: white;
    color: #666;
    line-height: 1.5;
    cursor: pointer;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -ms-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
}
li:hover {
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -ms-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;    
}
li:active ul {
    display: block;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -ms-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;    
}
ul li ul {
    display: none;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -ms-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
}
ul li {
    font-size: 40px;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -ms-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
}
ul ul li {
    font-size: 34px;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -ms-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;    
}
ul ul ul li {
    font-size: 28px;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -ms-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;    
}
ul ul ul ul li {
    font-size: 22px;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -ms-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;    
}