iframe 
{
    max-width:100% !important;
}
@media screen and (max-width: 1300px) 
{
    
      
}
@media screen and (max-width: 1200px) 
{
     
}
@media screen and (max-width: 1024px) 
{
}

@media screen and (max-width: 780px) 
{
    #gioithieuchung
    {
        display:none;
    }
    footer h3
    {
        font-size:14px !important;
    }
    .menu_footer a
    {
        font-size:12px !important;
    }
    .slogan
    {
        font-size:15px !important;
    }
    .info_company h2
    {
        font-size:15px !important;
    }
    .info_company span
    {
        font-size:12px !important;
    }
    .pro_left
    {
        width:100% !important;
        padding-bottom:20px;
    }
    .pro_right
    {
        width:100% !important;
    }

    #ctl00_thongtinfooter a
    {
        color:black !important;
    }
    .img_product_home
    {
        height:auto !important;
    }
    .pro_doitac
    {
        width:100% !important;
    }
    .cot_left
    {
        width:100% !important;
        padding-bottom:1% !important;
    }
     .cot_right
    {
        width:100% !important;
        padding-bottom:1% !important;
    }
    
     #logo, .logo_top
     {
         width:100% !important;
         text-align: center;
         }
     .logo_top img
     {
         width:50% !important;
     }
     .col-xs-12, .navbar-default, .container, .navbar-nav
     {
         width:100% !important;
     }
     #fanpage
     {
         display:none;
     }
     .mainmenu .navbar-collapse
     {
         padding-top:10px !important;
     }
     .form-search
     {
         width:100% !important;
     }
     .search_1, .search_2, #txt_text
     {
         width:100% !important;
         position:relative;
     }
     #button_right
     {
         right:0px  !important;
         position:absolute;
     }
     #ctl00_ImageButton1
     {
         margin-left:0px !important;

     }
     .product_img
     {
         width:100% !important;
         padding:5px 0px 10px 0px !important;
     }
     .item_bo
     {
         width:100% !important;
         padding:1% !important;
     }
     #product_img img
     {
         height:auto !important;
     }
     .item_bo1
     {
          width:100% !important;
     }
     .news_item
     {
         width:100% !important;
         padding:0px 0px 10px 0px !important;
     }
    .news_item img {
        height:auto !important;
    }
    .col_left
    {
        width:100% !important;
        padding-bottom:2% !important;
    }
    .col_right
    {
        width:100% !important;
    }
     

       
}
@media screen and (max-width: 600px) {
     
}
@media screen and (max-width: 515px) {
  
   
}
@media screen and (max-width: 320px) {
      
}