<style>
	.dropdown-btn {
	    display: none;
	}

	.dropdown-radio > input[type="radio"]:first-child {
	    display: none;
	}

	label[for="dropdown-btn"] {
	    background: #eee;
	    padding: 10px;
	    border-radius: 5px;
	    display: block;
	    cursor: pointer;
	    position: relative;
	    z-index: 2;
	}
	.dropdown-menu {
	    width: 400px;
	    overflow: hidden;
	}

	label.dropdown-radio {
	    display: block;
	    padding: 6px 13px;
	    cursor: pointer;
	    font-size: 13px;
	    color: #333;
	    margin-top: -100%;
	    transform: scaleY(0);
	    transition: margin-top 0.2s ease-in-out, transform 0.3s ease-in-out;
	}

	.dropdown-radios {
	    top: -9px;
	    position: relative;
	    width: calc(100% - 10px);
	    margin: auto;
	    z-index: 1;
	    border-radius: 8px;
	    overflow: hidden;
	    background: #f5f5f5;
	    padding-top: 9px;
	    position: relative;
	    height: 0;
	}

	.dropdown-btn:checked + label + .dropdown-radios {
		height: auto;
	}

	label.dropdown-radio:hover {
	    background: rgba(0,0,0,0.05);
	}

	.dropdown-btn:checked + label + .dropdown-radios > label.dropdown-radio {
	    margin-top: 0;
	    transform: scaleY(1);
	}
</style>
<div class="dropdown-menu">
	<input type="checkbox" class="dropdown-btn" id="dropdown-btn">
	<label for="dropdown-btn">Выберите значение</label>
	<div class="dropdown-radios">
		<label class="dropdown-radio">
			<input type="radio" name="servers" value="1">
			<div class="dropdown-rlabel">1</div>
		</label>
		<label class="dropdown-radio">
			<input type="radio" name="servers" value="2">
			<div class="dropdown-rlabel">2</div>
		</label>
		<label class="dropdown-radio">
			<input type="radio" name="servers" value="3">
			<div class="dropdown-rlabel"><img src="https://cdn.arstechnica.net/wp-content/uploads/2016/02/5718897981_10faa45ac3_b-640x624.jpg" height="50" width="50"></div>
		</label>
	</div>
</div>
<script>
	document.addEventListener('click', function(event) {
		let checkbox = false;
		if(event.target.className.match(/\bdropdown-radio\b/)) (checkbox = event.target.parentNode.parentNode.children[0]).checked = false;
		else if(event.target.parentNode.className.match(/\bdropdown-radio\b/)) (checkbox = event.target.parentNode.parentNode.parentNode.children[0]).checked = false;

		if(checkbox) {
			checkbox.nextElementSibling.innerHTML = (event.target.className.match(/\bdropdown-radio\b/) ? event.target.querySelector('.dropdown-rlabel') : event.target.parentNode.querySelector('.dropdown-rlabel')).innerHTML;
		}
	}, true);
</script>