.soal img {
            max-width: 100%;
            height: auto;
        }

        .main-header .sidebar-baru {
            float: left;
            color: white;
            padding: 15px 15px;
            cursor: pointer;
        }

        .callout {
            border-left: 0px;
        }

        .btn {

            border-radius: 0.6em;
        }

        .btn-primary {
            background-color: blue;
            border-color: #367fa9;
            font-weight: bolder;
        }

        .btn.btn-flat {
            border-radius: 10em;
        }

        .skin-red-light .sidebar-menu>li:hover>a,
        .skin-red-light .sidebar-menu>li.active>a {
            color: #fff;
            background: #e111e8;
        }