@media (max-width:1200px){
    .operation_section{
        padding: 10px;
    }
}
@media (max-width:999px){
    body{
        grid-template-areas:"header header""main main";
    }
    aside,.title_header,header .search_box_header,.full_name_user span:first-child{
        display: none;
    }
    header{
        padding: 8px;
    }
    header .user_action{
        gap: 1.5rem;
    }
    aside{
        width: 68%;
        z-index: 999;
        background-color: var(--color_white);
    }
    .container_main{
        grid-template-columns: repeat(1,1fr);   
    }
    .message_list_user{
        right: 55px;
    }
.letf_content_main{
    margin-bottom: 550px;
    position: relative;
}
.main_ahang {


    position: absolute;
    top: 0;
    left: 0;
   right: 0;



}


.operation_section{
  
    position: absolute;
 
   top: 0;
   left: 0;
   right: 0;
    padding: 30px;
   
}

.main_ahang{
    min-height: 350px;
}

}

@media (min-width:1000px){
    .burger_menu,main .search_box_header{
        display: none;
    }
}