#topmenu, .tile  ul {
   margin: 0;
   padding: 0;
   list-style: none;
    display: table;
   line-height:98px;
    width: 100%;
   }

#topmenu li {
   height: 100px;
   display: inline-block;
   text-align: center;
   display: table-cell;
    float: none;
}

#topmenu a {
    display: block;
    padding: 8px 15px;
    background: #b6cbfd;
    font-family: Tahoma;
    font-size: 14px;
    color: #000;
    text-decoration: none;
    text-align: center;
    text-transform: uppercase;
   height: 120px;
}
#topmenu a:hover {
    background: #528CBF;
    transition: all 0.3s ease;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
   height: 120px;
}
 

<ul id="topmenu">
          <li>
            <a href="/" title="Главная"><img src="img.png"><br />Главная</a>
          </li> 
</ul>