body {
    font-family: 'Source Sans Pro', Sans-Serif;
    overflow-x: hidden;
    margin: 0;
}


/* overlay */

.overlay {
    height: 100%;
    width: 0;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    opacity: .9;
    /* background-color: #003948; */
    background-color: #2f2f2f;
    overflow-x: hidden;
    transition: 0.5s;
}

.overlay-content {
    position: relative;
    top: 10%;
    left: 10%;
    width: 100%;
    text-align: left;
    margin-top: 30px;
}

.overlay a {
    text-decoration: none;
    font-size: 24px;
    color: #fff;
    display: block;
    transition: 0.3s;
    font-weight: 700;
}

.overlay-content div a {
    padding-top: 20px;
}

.overlay .category_name:hover,
.overlay .category_name:focus {
    font-size: 26px;
}

.overlay .closebtn {
    position: absolute;
    top: 20px;
    right: 45px;
    font-size: 50px;
}

.closebtn:hover {
    font-size: 50px !important;
}

.category_name {
    margin: 0px;
    padding: 0px;
}

.categorydiv {
    /*    border:1px solid yellow;*/
    max-width: 400px;
}

.icon {
    width: 45px;
    height: 40px;
    padding-right: 5px;
}

.hidden_a {
    display: none;
}

.hidden_a a {
    font-size: 20px;
    font-weight: 500;
    margin-left: 50px;
}

.hidden_a a:hover {
    /* color: #48C0D8; */
    color: #a2a2a2;
}

.first_hidden_a {
    margin-top: -20px;
}

.last_hidden_a {
    padding-bottom: 15px;
}


/* leftside*/

.leftside_img {
    background-color: #C0C0C0;
    width: 455px;
    display: inline-block;
    height: 100vh;
    margin-bottom: -5px;
    position: fixed;
    background-image: url('../img/menu/bk.png');
    background-size: 474px 981px;
}

#menu_btn {
    width: 60px;
    height: 40px;
    position: absolute;
    top: 8px;
    left: 10px;
    cursor: pointer;
    /*  border:1px solid white;
  border-radius: 6px;*/
}

#menu_btn span {
    display: block;
    position: absolute;
    height: 4px;
    width: 40px;
    background: #fff;
    border-radius: 9px;
    opacity: 1;
    left: 10px;
}

#menu_btn span:nth-child(1) {
    top: 5px;
}

#menu_btn span:nth-child(2) {
    top: 15px;
}

#menu_btn span:nth-child(3) {
    top: 25px;
}

.menu_homepage {
    position: absolute;
    top: 0;
    left: 142.5px;
    cursor: pointer;
}

#logo_title {
    position: absolute;
    left: 100px;
    top: 8px;
    color: #000000;
    margin: 0px;
    font-size: 30px;
    font-weight: 700;
}

#logo_bg {
    position: absolute;
    margin-top: -3px;
    top: 0px;
    z-index: -1;
    width: 170px;
}

#logo_icon {
    position: absolute;
    right: -65px;
    top: 8px;
    margin: 0px;
    width: 45.6px;
    height: 34px;
}

#logo_slash {
    position: absolute;
    left: 10px;
    top: 8px;
    height: 30px;
}

#logo_slash {
    left: 80px;
    top: 12px;
}

.context_img {
    position: absolute;
    top: calc(50vh - 294px);
    left: 25px;
    width: 400px;
    display: none;
       /* border:1px solid yellow; */
}

.img1 {
    display: block;
}


/* rightside */

.rightside_content {
    width: calc(100vw - 455px);
    display: inline-block;
    margin-left: 455px;
}

.scrollable_content {
    display: inline-block;
    /* background: #ffe0a9; */
    background: #ffffff;
    width: calc(100vw - 435px);
    overflow-y: scroll;
    margin-bottom: -5px;
}

.content_container {
    width: 100%;
    max-width: 62vw;
    padding: 25px 40px;
}

.content_container header h1 {
    font-size: 24px;
    font-weight: 500;
    text-align: center;
}

hr.customize_hr {
    height: 30px;
    border-style: solid;
    border-color: #8c8b8b;
    border-width: 1px 0 0 0;
    border-radius: 20px;
    width: 85%;
}

hr.customize_hr:before {
    display: block;
    content: "";
    height: 30px;
    margin-top: -31px;
    border-style: solid;
    border-color: #8c8b8b;
    border-width: 0 0 1px 0;
    border-radius: 20px;
}

header h1 {
    margin-top: 30px;
    font-weight: bold;
}

h2 {
    font-size: 20px;
    font-weight: bold;
    margin-top: -20px;
}

h3 {
    font-size: 18px;
}

h1,
h2,
h3 {
    color: #003948;
}

p,
li,
th,
td {
    font-size: 18px;
    color: #003948;
}

li, .no_list_style {
    list-style: none;
}
.list_item li{
    list-style: inherit;
    padding:5px;
}

td {
    font-size: 16px;
}

.firstp {
    margin-top: -20px;
}

.firstp_h2 {
    margin-top: 20px;
}

.highlight_w {
    font-weight: bold;
}

.underline_h2, .underline_h3 {
    margin-top: 30px;
    text-decoration: underline;
}


/*#s1,
#s2,
#s3,
#s4,
#s5,
#s6,
#s7,
#s8 {
    padding-bottom: 150px;
}*/

.shareicons {
    margin: 0 auto;
    width: 250px;
    /* margin-top: 90vh;*/
    position: absolute;
    bottom: 20px;
    display: flex;
    left: 102.5px;
    justify-content: space-around;
}

.shareicons img {
    width: 35px;
    height: 35px;
    cursor: pointer;
}

#fixed_topbtn {
    position: fixed;
    bottom: 50px;
    left: calc(62vw + 425px);
}

#fixed_topbtn img {
    width: 35px;
    height: 35px;
    cursor: pointer;
}

.table-bordered>thead,
.table-bordered>tbody>tr>td,
.table-bordered>tbody>tr>th,
.table-bordered>tfoot>tr>td,
.table-bordered>tfoot>tr>th,
.table-bordered>thead>tr>td,
.table-bordered>thead>tr>th,
.table>thead,
.table>tbody>tr>td,
.table>tbody>tr>th,
.table>tfoot>tr>td,
.table>tfoot>tr>th,
.table>thead>tr>td,
.table>thead>tr>th {
    border: 1px solid #003948;
}

.table-bordered {
    width: 100%;
    max-width: 650px;
    margin: 0 auto;
}

.table-bordered td {
    padding: 5px;
}

.content_container div {
    padding-bottom: 150px;
}

.content_container div:last-child {
    padding-bottom: 450px;
}

.content_container.faculty div,
.content_container.faculty div:last-child {
    padding-bottom: 0px;
}

.samples span{
    width:100px;
    display:inline-block;
}

.samples span:hover{
    text-decoration: underline;
}

@media screen and (max-width: 1500px) and (min-width: 1281px) {
    #fixed_topbtn {
        left: calc(62vw + 440px);
    }
}

@media screen and (min-width: 1501px) {
    #fixed_topbtn {
        left: calc(62vw + 460px);
    }
}