DIV Overview with float elements inside

by KELVIN LEE

HTML

<div id="container">Smile Smile
    <ul>
        <li>
            <img src="http://3.bp.blogspot.com/-t9e7S8huhaQ/VBMVN6CbNGI/AAAAAAAAA14/02am46_jiJM/s1600/Big_smile.png">
        </li>
        <li>
            <img src="http://3.bp.blogspot.com/-t9e7S8huhaQ/VBMVN6CbNGI/AAAAAAAAA14/02am46_jiJM/s1600/Big_smile.png">
        </li>
        <li>
            <img src="http://3.bp.blogspot.com/-t9e7S8huhaQ/VBMVN6CbNGI/AAAAAAAAA14/02am46_jiJM/s1600/Big_smile.png">
        </li>
        <li>
            <img src="http://3.bp.blogspot.com/-t9e7S8huhaQ/VBMVN6CbNGI/AAAAAAAAA14/02am46_jiJM/s1600/Big_smile.png">
        </li>
        <li>
            <img src="http://3.bp.blogspot.com/-t9e7S8huhaQ/VBMVN6CbNGI/AAAAAAAAA14/02am46_jiJM/s1600/Big_smile.png">
        </li>
        <li>
            <img src="http://3.bp.blogspot.com/-t9e7S8huhaQ/VBMVN6CbNGI/AAAAAAAAA14/02am46_jiJM/s1600/Big_smile.png">
        </li>
        <li>
            <img src="http://3.bp.blogspot.com/-t9e7S8huhaQ/VBMVN6CbNGI/AAAAAAAAA14/02am46_jiJM/s1600/Big_smile.png">
        </li>
        <li>
            <img src="http://3.bp.blogspot.com/-t9e7S8huhaQ/VBMVN6CbNGI/AAAAAAAAA14/02am46_jiJM/s1600/Big_smile.png">
        </li>
        <li>
            <img src="http://3.bp.blogspot.com/-t9e7S8huhaQ/VBMVN6CbNGI/AAAAAAAAA14/02am46_jiJM/s1600/Big_smile.png">
        </li>
        <li>
            <img src="http://3.bp.blogspot.com/-t9e7S8huhaQ/VBMVN6CbNGI/AAAAAAAAA14/02am46_jiJM/s1600/Big_smile.png">
        </li>
    </ul>
</div>
<div id="container">Footer Footer</div>

CSS

#container {
    background-color: rgba(0, 255, 0, 0.2);
    width:calc(100%);
    overflow: hidden;
}
img {
    width: 100px;
}
li {
    display: table-cell;
    float: left;
    padding: 10px;
}