Elegir radio button (sin radio button) y con un div

gistfile1.html

<style>
 #panelCestaContienePacks {
    width: 95%;
    margin: 0 auto;
    overflow: hidden;
}
#panelCestaContienePacks input[type=radio]{
    display: none;
}


#panelCestaContienePacks  div{    
    
     height: 100px;
     width: 23.1%;
    float:left;
    border:#363636 4px solid;
   height: 100px;
    margin-right: 0.5%;
    display: block;
    cursor:pointer;
}

#panelCestaContienePacks input[type=radio]:checked + div{    
    border:4px #02a199 solid;
  
}
</style>



<div id="panelCestaContienePacks">
        <label for="a">
            <input type="radio" name="idhosting" id="a">
                   <div>
                      hola
                   </div>
         </label>
  </div>