.first_grade-contbx-holder {
    background: #faf5ed;
    padding: 60px 20px;
}
.first_grade-contbx-holder .contbx h1 {
    color: #0c5179;
    font-weight: 500;
    font-size: 2.5rem;
    word-spacing: -0.02em;
    line-height: 1.1em;
    border-bottom: 1px solid #bbbbbb;
    padding-bottom: 22px;
    text-align: left;
}
.first_grade-contbx-holder .contbx p {
    color: #222;
    font-size: calc(16.4px + 0.175vw);
    max-width: 100%;
    line-height: calc(1.5em + 0.3333vw);
    padding: 20px 0 24px;
    font-family: Georgia,Times,'Times New Roman',serif;
}
.first_grade-contbx-holder .contbx .btn {
    color: #212121;
    background: #f8c76c;
    font-size: 14px;
    padding: 14px 24px;
    text-transform: uppercase;
    font-weight: 700;
    border-radius: 50px;
    margin-top: 10px;
    min-width: 150px;
    text-align: center;
    display: inline-block;
    text-decoration: none;
    letter-spacing: 0.6px;
    transition: 0.8s;
    -webkit-transition: 0.8s;
    font-family: 'Montserrat', sans-serif;
}
.first_grade-contbx-holder .contbx .btn:hover {
    background: #116687;
    color: #f8c76c;
}
.first_grade-detail-holder {
    background: #f9f9f9;
    padding: 60px 30px;
}
.first_grade-detail-holder .contbx {
    background: #fff;
    box-shadow: 0px 10px 15px -5px rgba(0,0,0,0.1);
    padding: 20px;
    margin-bottom: 30px;
    height: calc(100% - 30px);
}
.first_grade-detail-holder ul li a {
    font-size: 15px;
    color: #116687;
    font-weight: 500;
    text-decoration: underline;
    font-family: 'Roboto', sans-serif;
}
.first_grade-detail-holder ul li {
    font-size: 15px;
    color: #767676;
    font-weight: 400;
    text-decoration: none;
    line-height: 28px;
    width: 100%;
    text-align: left;
    position: relative;
    font-family: 'Roboto', sans-serif;
    border-bottom: 1px solid #eaeaea;
    padding: 6px 0;
}
.first_grade-detail-holder ul li:last-child {
    border-bottom: none;
}
.first_grade-detail-holder .contbx ul {
    height: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}
.first_book-mainbx {
    padding-top: 40px;
}
.c-search__field:focus {
    outline: none;
}
.sidebar-holder .c-sidebar__nav {
    padding-top: 30px;
}
.sidebar-holder .c-sidebar__nav a, .sidebar-holder .c-sidebar__nav a:hover, .sidebar-holder .c-sidebar__nav li.active > a {
    color: #0c5179;
    text-decoration: none;
    font-weight: 500;
    font-size: 18px;
    padding: 10px;
}
.sidebar-holder {
    float: left;
    width: 300px;
}
.middle_contbx-holder {
    float: right;
    width: calc(100% - 300px);
}
