@media (max-width: 768px) {
    .navbar-toggler {
        height: 45px;
        width: 50px;
        position: relative;
        top: 10px;
        padding: 0;
        right: 15px;
        float: right;
        border: 0;
        background: #000;
    }

    .burger {
        position: absolute;
        background-color: #3f51b5;
        width: 30px;
        height: 4px;
        right: 0;
        border-radius: 2px;
        opacity: 1;
        left: 0;
        margin: 0 auto;
        top: 20px;
    }

    .navbar-toggler:focus .burger {
        background-color: #3f51b5;
    }

    .navbar-toggler:focus .burger::before,
    .navbar-toggler:focus .burger::after {
        background-color: #3f51b5;
    }

    .burger::before {
        position: absolute;
        background-color: #3f51b5;
        width: 30px;
        height: 4px;
        top: 10px;
        border-radius: 2px;
        content: "";
        display: block;
    }

    .burger::after {
        position: absolute;
        background-color: #3f51b5;
        width: 30px;
        height: 4px;
        bottom: 10px;
        border-radius: 2px;
        content: "";
        display: block;
    }

    .burger::after,
    .burger::before,
    .burger {
        transition: all .3s ease-in-out;
        -webkit-transition: all .3s ease-in-out;
    }

    .burger-menu {
        display: block;
        height: 100%;
    }

    .login_content {
        background: #3f51b5 ;
        color: #F2F2F2;
        padding: 5em;
    }

    .login_content h1 {
        font-size: 22px;
    }

    .login_content h6 {
        text-align: center;
    }

    .login_content form .btn {
        margin: 10px 0;
        width: 100%;
    }

    .login_content .btn-primary {
        background: #f7f7fc !important;
        border-color: #f7f7fc !important;
        color: #000;
        width: 100%;
    }

    .form-link {
        text-align: center;
    }

    .form-link a {
        color: #F2F2F2 !important;
        display: block;
        padding: 5px 0 !important;
    }

    .quiz-header li {
        width: 50%;
    }

    .quiz-questions ul li {
        width: 100%;
    }

    .dashboard li {
        width: 100%;
    }

    .dashboard li a {
        text-align: left;
    }

}

@media (min-width: 1200px) {
    .overlay {
        min-height: 100vh;
        min-width: 100vw;
    }

    #sidebar-wrapper {
        display: none;
    }
}

/**Change Boostrap Breakpoint*/
@media (max-width: 992px) {
    .navbar-header {
        float: none;
    }

    .navbar-left,
    .navbar-right {
        float: none !important;
    }

    .navbar-toggle {
        display: block;
    }

    .navbar-collapse {
        border-top: 1px solid transparent;
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
    }

    .navbar-fixed-top {
        top: 0;
        border-width: 0 0 1px;
    }

    .navbar-collapse.collapse {
        display: none !important;
    }

    .navbar-nav {
        float: none !important;
        margin-top: 7.5px;
    }

    .navbar-nav>li {
        float: none;
    }

    .navbar-nav>li>a {
        padding-top: 10px;
        padding-bottom: 10px;
    }

    .collapse.in {
        display: block !important;
    }
}