filter cars according to their brands

hiplease help me to filter the cars that's the code of
index.php(displaying cars from database)

<section class="gauto-offers-area section_70">
         <div id="myBtnContainer">
            <input type="hidden" name="marque" id="myInput">
            <div class="row">
               <div class="col-md-12">
                  <div class="site-heading">
                     <h4>Viens avec</h4>
                     <h2>meilleures offres</h2>
                  </div>
               </div>
            </div>
            <div class="row">
               <div class="col-md-12">
                  <div class="offer-tabs">
                     <ul class="nav nav-tabs" id="offerTab" role="tablist">
                        <li class="nav-item" >
                           <a class="nav-link active" id="all-tab"  data-toggle="tab" href="" role="tab" aria-controls="all" aria-selected="true" >Toutes les marques</a>

                        </li>
                        <li class="nav-item" >
                           <a class="nav-link"  id="nissan-tab" data-toggle="tab" href="" role="tab" aria-controls="nissan" aria-selected="false">nissan

                           </a>

                        </li>
                        <li class="nav-item" >
                           <a class="nav-link" id="Toyota-tab"  data-toggle="tab" href="index.html#Toyota" role="tab" aria-controls="Toyota" aria-selected="false">Toyota</a>
                        </li>
                        <li class="nav-item"  >
                           <a class="nav-link"  id="Audi-tab" data-toggle="tab" href="index.html#Audi" role="tab" aria-controls="Audi" aria-selected="false">Audi</a>
                        </li>
                        <li class="nav-item" >
                           <a class="nav-link"   id="mercedes-tab"  data-toggle="tab" href="index.html#mercedes" role="tab" aria-controls="mercedes" aria-selected="false">mercedes</a>
                        </li>
                     </ul>

                     <div class="tab-content" id="offerTabContent">
                        <!-- All Tab Start -->
                        <div class="tab-pane fade show active" id="all" role="tabpanel" aria-labelledby="all-tab">

                         <div class="row  ">
<?php     
$query="select * from voiture";
$query_run=mysqli_query($conn,$query);
$rep = mysqli_fetch_assoc($query_run);
if(mysqli_num_rows($query_run)>0){
 while ($row=mysqli_fetch_assoc($query_run)) {

?>
                     <div class="col-lg-4">
                                 <div class="single-offers">
                                    <div class="offer-image">
                                       <a href="index(1).php">
                                        <?php echo'<img src="admin/admin2/upload/'.$row['image'].'" width="100px;" height="100px;" alt="image">'?>
                                       </a>
                                    </div>

                                    <div class="offer-text">
                                       <a href="index.html#">
                                          <h3><?php echo $row['nom'];?></h3>
                                       </a>
                                       <h4>$<?php echo $row['prix'];?><span>/ Jour</span></h4>
                                       <ul>
                                          <li><i class="fa fa-car"></i><?php echo $row['model'];?><br/></li>
                                          <li><i class="fa fa-cogs"></i><?php echo $row['type'];?><br/></li>
                                          <li><i class="fa fa-dashboard"></i><?php echo $row['kilometrage'];?><br/></li>
                                       </ul>
                                       <div class="offer-action">
                                          <a href="index.html#" class="offer-btn-1">Voiture de location</a>
                                          <a href="car-booking(1).php?id_voiture=<?php echo $row['id_voiture'] ?>" class="offer-btn-2" >Dtails</a>
                                       </div>
                                    </div>
                                 </div>
                              </div><?php }}}
                               ?>

                               </div>
                  </div>
               </div>
            </div>
         </div>
      </section>