body {
    background-color: #fff;
    font-family: Arial, Helvetica, sans-serif;
    color: #000;    
}

#left-side {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 10%;    
    background-color: #ccc;
    
}

#strong-side {
    position: absolute;
    left:15%;
}

#logo {
    margin-top: 100px;    
    margin-bottom: 100px;
}

#logo img {
    width: 200px;
}


a, a:link, a:visited {  
    color: #333;    
}

a:hover {
    color: #666;
}

div#clients {	
	height: 80px;    
}

div#clients a {
	cursor: pointer;
	height: 80px;
	float: left;
	background-image: url(img/clients.jpg);
}

div#clients a:hover { text-decoration: none; border: none; }

div#clients .mds { width: 120px; background-position: 0px top; }
div#clients .mds:hover { background-position: 0px bottom; }

div#clients .rcs { width: 100px; background-position: -120px top; }
div#clients .rcs:hover { background-position: -120px bottom; }