<!----------------------media-quiry------------------------->
@media screen and (min-width:993px) and (max-width:1440px){
   
}
@media screen and (max-width:1199px) {
}
@media screen and (max-width:992px) {
    .donet-logo .account-details{
        display: none;
    }
    .nav {
    margin-top: -27px !important;
}
     .carousel-caption{
        position: absolute !important;
        bottom: 10% !important;
        padding-top: 10px !important;

    }
    .carousel-caption h3{
        font-size: 18px;
        margin: 0px;
    }
    .carousel-caption a{
            font-size: 10px !important;
    }
    .navbar-default .navbar-nav>li>a{
        font-size: 14px !important;
    }
}
@media screen and (max-width:768px) {
    .donet-logo .account-details{
        display: none;
    }
      .logo img {
   width: 60px !important;
}
   
    .carousel{
        margin-top: 70px;
    }
    .carousel-caption{
        position: absolute !important;
        bottom: 10% !important;
        padding-top: 10px !important;

    }
    .carousel-caption h3{
        font-size: 18px;
        margin: 0px;
    }
    .carousel-caption a{
            font-size: 10px !important;
    }
    #four-colums{
        padding: 50px 0px 50px 0px !important;
    }
    .donet-box h1{
        font-size: 16px;
    }
    .donet-box p{
        text-align: justify !important;
        font-size: 12px !important;
    }
    .donet-box a{
        font-size: 10px !important;
    }
    .news-events-box h1{
        font-size: 20px !important;
    }
}
@media screen and (max-width:500px) {
    .donet-logo .account-details{
        display: none;
    }
      .logo img {
   width: 60px !important;
}
   
    .carousel{
        margin-top: 70px;
    }
    .carousel-caption{
        position: absolute !important;
        bottom: 10% !important;
            padding-top: 10px !important;

    }
    .carousel-caption h3{
        font-size: 10px;
        margin: 0px;
    }
    .carousel-caption a{
            font-size: 10px !important;
    }
    #four-colums{
        padding: 50px 0px 50px 0px !important;
    }
    .donet-box h1{
        font-size: 16px;
    }
    .donet-box p{
        text-align: justify !important;
        font-size: 12px !important;
    }
    .donet-box a{
        font-size: 10px !important;
    }
    .news-events-box h1{
        font-size: 20px !important;
    }
    
}
@media screen and (max-width:360px) {
     .donet-logo .account-details{
        display: none;
    }
      .logo img {
   width: 60px !important;
}
   
    .carousel{
        margin-top: 70px;
    }
    .carousel-caption{
        position: absolute !important;
        bottom: 10% !important;
            padding-top: 10px !important;

    }
    .carousel-caption h3{
        font-size: 10px;
        margin: 0px;
    }
    .carousel-caption a{
            font-size: 10px !important;
    }
    #four-colums{
        padding: 50px 0px 50px 0px !important;
    }
    .donet-box h1{
        font-size: 16px;
    }
    .donet-box p{
        text-align: justify !important;
        font-size: 12px !important;
    }
    .donet-box a{
        font-size: 10px !important;
    }
    .news-events-box h1{
        font-size: 20px !important;
    }
}
@media screen and (max-width:320px) {
    .logo img {
   width: 60px;
}
    .donet-logo .account-details{
        display: none;
    }
    .carousel{
        margin-top: 70px;
    }
    .carousel-caption{
        position: absolute !important;
        bottom: 10% !important;
            padding-top: 10px !important;

    }
    .carousel-caption h3{
        font-size: 10px;
        margin: 0px;
    }
    .carousel-caption a{
            font-size: 10px !important;
    }
    #four-colums{
        padding: 50px 0px 50px 0px !important;
    }
    .donet-box h1{
        font-size: 16px;
    }
    .donet-box p{
        text-align: justify !important;
        font-size: 12px !important;
    }
    .donet-box a{
        font-size: 10px !important;
    }
    .news-events-box h1{
        font-size: 20px !important;
    }
}
<!----------------------media-quiry-------------------------->