@media(max-width:991px){
    .choose_content{
       padding: 0 5%;
    }    
    .class_content{
        position: inherit;
        margin-left: auto;
    }
    .min-nav {
        background: #fff;
        right: 2%;
        top: 110px;
        width: 300px;
        z-index: 11;
        padding: 12px;
        position: absolute;
        border-radius: 10px;
    }
    .navbar-nav .nav-item{
        margin: 5px 0px;
    }
    .min-nav .nav_a .btn_pi{
        margin: 0px 10px 15px;
    }
    .top_con{       
        justify-content: center;
    }
    .left_top h2{
        text-align: center;
    }
    .left_top img{
        display: none;
    }
}
@media(max-width:767px){
    .cer_content{
        margin-top: 0px;
    }
    .left_top h2{
        margin-bottom: 15px;
    }
}
@media (max-width:567px) {
    h1 {
        font-size: 30px !important;
    }
    h2{
        font-size: 25px !important;
    }
    .left_top h2{
       
        font-size: 18px !important;
    }
}