.header-column {
    vertical-align: middle;
}

.header-row {
    display: table-row;
    clear: both;
}

.header-part {
    padding-top: 20px;
}

.header-logo {
    margin-bottom: 30px;
    margin-top: -20px;
    float: left;
    position: relative;
}

.header-nav-title {
    margin-top: 15px;
    font-size: 20px;
    font-weight: 600;
    color: #000;
    text-shadow: none !important;
}

.header-home-page-icon {
    margin-top: 15px !important;
    position: relative;
}

@media (min-width: 767px) {
    .hidden-lg {
        display: none !important;
    }
}

@media (max-width: 767px) {
    .hidden-sm, .hidden-xs {
        display: none !important;
    }
    .header-home-page-icon {
         margin-top: 0 !important; 
        position: relative;
    }
    .nav > li > a {
        position: relative;
        display: block;
        padding: 0 15px !important;
    }

    .contact a i {
        color: #fff;
        background-color: #505050;
        border-radius: 50%;
        font-size: 15px !important;
        width: 30px !important;
        height: 30px !important;
        line-height: 30px !important;
        text-align: center;
    }
}

#header .header-nav-top .dropdown-menu {
    border-color: #2b2424;
    margin-top: -2px;
    border-radius: 4px 0 4px 4px;
    padding: 0;
}

open > .dropdown-menu {
    display: block;
}

header .header-nav-top .nav > li > a, #header .header-nav-top .nav > li > span {
    color: #999;
    font-size: .9em;
    padding: 6px 10px;
    display: inline-block;
}

.nav .open > a, .nav .open > a:focus, .nav .open > a:hover {
    background-color: #eee;
    border-color: #337ab7;
}

.nav-pills > li > a {
    border-radius: 4px;
}

.nav > li > a {
    position: relative;
    display: block;
    padding: 10px 15px;
}

    .nav > li > a:focus, .nav > li > a:hover {
        text-decoration: none;
        background-color: #eee;
    }

.open > a {
    outline: 0;
}

.nav-pills > li + li {
    margin-left: 2px;
}

.nav-pills > li {
    float: left;
}

.nav > li {
    position: relative;
    display: block;
}

.dropdown, .dropup {
    position: relative;
}

li {
    line-height: 10px;
}

.unit-list li {
    line-height: 24px;
}

#header .header-nav-top .dropdown-menu a {
    color: #999;
    padding: 6px 12px;
    font-size: .9em;
}

.dropdown-menu > li > a:focus, .dropdown-menu > li > a:hover {
    color: #262626;
    text-decoration: none;
    background-color: #f5f5f5;
}

.dropdown-menu > li > a {
    display: block;
    padding: 3px 20px;
    clear: both;
    font-weight: 400;
    line-height: 1.42857143;
    color: #333;
    white-space: nowrap;
}

#header .header-nav-top .dropdown-menu {
    border-color: #2b2424;
    margin-top: -2px;
    border-radius: 4px 0 4px 4px;
    padding: 0;
}

.open > .dropdown-menu {
    display: block;
}

.dropdown-menu {
    min-width: 100px !important;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1000;
    display: none;
    float: left;
    min-width: 160px;
    padding: 5px 0;
    margin: 2px 0 0;
    font-size: 14px;
    text-align: left;
    list-style: none;
    background-color: #fff;
    -webkit-background-clip: padding-box;
    background-clip: padding-box;
    border: 1px solid #ccc;
    border: 1px solid rgba(0,0,0,.15);
    border-radius: 4px;
    -webkit-box-shadow: 0 6px 12px rgba(0,0,0,.175);
    box-shadow: 0 6px 12px rgba(0,0,0,.175);
}

ul.unit-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

ul.research-area-list {
    padding-left: 0px;
    list-style: none;
}

.lessonContent {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    max-width: 700px;
}

    .lessonContent h6 {
        margin-top: 5px !important;
        margin-bottom: 5px !important;
    }

    .lessonContent ul {
        padding-left: 14px;
    }

    .lessonContent li:not(:last-child) {
        white-space: normal;
        margin-bottom: 5px;
    }

    .lessonContent li a {
        white-space: normal;
    }

.contact i {
    color: #fff;
    background-color: #505050;
    border-radius: 50%;
    font-size: 20px;
    width: 35px;
    height: 35px;
    line-height: 35px;
    text-align: center;
}

.contact div {
    margin-bottom: 20px;
}

    .contact div i {
        margin: 0 auto;
        display: block;
    }

    .contact div .item-head {
        text-align: center;
    }

    .contact div i {
        margin: 0 auto;
    }

.contact .media-body p {
    line-height: 35px;
}

.contact a i {
    color: #fff;
    background-color: #505050;
    border-radius: 50%;
    font-size: 15px;
    width: 30px;
    height: 30px;
    line-height: 30px;
    text-align: center;
}

.contact a{
    float: left;
    margin-right: 5px;
    margin-bottom: 5px;
}

div .social-media-links .contact{
    display: inline-block;
    margin: 0 auto;
}

div .social-media-links {
    width: 260px;
    line-height: 0!important;
}

@media (min-width:768px){
        div .social-media-links .contact {
            display: inline-block;
            margin: 10px auto;
        }

    .side-header .head-main {
        line-height: 0;
    }
}

@media (width: 768px) {
    div .social-media-links {
        width: 550px !important;
    }

    div .social-media-links .contact {
        display: inline-block;
        margin: 0 auto;
    }

    .side-header .head-main {
        line-height: 0;
    }
}

@media (width: 1024px) {
    div .social-media-links {
        width: 370px !important;
        height: 40px !important;
    }

    div .social-media-links .contact {
        display: inline-block;
        margin: 10px auto;
    }
    .side-header .head-main {
        line-height: 0;
    }
}

div .validation-summary-errors ul li {
    line-height: 25px;
    font-size: 14px;
}

div .validation-summary-errors span {
    font-size: 14px;
}