html, body {
    height: 100vh;
}

h2 {
    font-family: din-2014, sans-serif;
    font-weight: 600;
    color: #1e50a2;
    font-display: swap;
}

.top {
    font-family: din-2014, sans-serif;
    font-weight: 600;
    color: #000;
    font-display: swap;
}

h3 {
    margin-top: 2em;
    font-family: din-2014, sans-serif;
    font-weight: 600;
    font-size: 130%;
    font-display: swap;
}

h4 {
    margin-top: 1.5em;
    font-family: sans-serif;
    font-weight: 600;
    font-size: 100%;
    font-display: swap;
}

p {
    line-height: 1.5;
}

p.date {
    font-size: 64px;
    font-family: din-2014, sans-serif;
    font-weight: 600;
    font-display: swap;
}

p.location {
    font-size: 36px;
    font-family: din-2014, sans-serif;
    font-weight: 600;
    font-display: swap;
}

.header {
    position: absolute;
    top: 0;
    width: 100%;
    border-bottom: 1px solid #ddd;
}

.individual-header {
    border-bottom: 1px solid #ddd;
}

.individual-header h1 {
    margin: 0;
    padding: 0;
}

.individual-header h1 a img {
    padding-top: 0.2em;
}

.logo {
    position: absolute;
}

.site-nav {
    box-sizing: border-box;
    padding-top: 1em;
    padding-bottom: 1em;
}


.site-nav li a {
    position: relative;
    display: inline-block;
    text-decoration: none;
    color: #292b2c;
}

.site-nav li a::after {
    position: absolute;
    bottom: 2px;
    left: 0;
    content: '';
    width: 100%;
    height: 2px;
    background: #1e50a2;
    opacity: 0;
    visibility: hidden;
    transition: .3s;
}

.site-nav li a:hover::after {
    bottom: -4px;
    opacity: 1;
    visibility: visible;
}

.twitter_link {
    color: #00aced;
}

.individual-site-wrapper {
    width: 100%;
    background: #fff;
}

.jumbotron-white {
    padding: 2rem 2rem;
    background-color: #fff;
}

.profile_area {
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    margin-top: 3rem;
}

.profile_box {
    text-align: center;
    margin: 10px;
    width: 200px;
}

.profile_box h3 {
    font-size: 110%;
}

.profile_box p.job_title {
    font-size: 90%;
    color: #666666;
}

.profile_pic {
    border-radius: 50%;
    cursor: pointer;
    width: 200px;
    height: 200px;
}

.Modal {
    position: absolute;
    top: 30%;
    bottom: 30%;
    left: 30%;
    right: 30%;
    background-color: white;
    overflow: scroll;
}

.Overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
}

.close_btn {
    font-size: 130%;
    cursor: pointer;
}

.profile_box figure img {
    opacity: 1;
    -webkit-transition: .3s ease-in-out;
    transition: .3s ease-in-out;
}

.profile_box figure img:hover {
    opacity: .6;
}

.profile_modal_close {
    padding: 1rem;
    display: flex;
    justify-Content: flex-end;
}

.profile_modal_close_button {
    width: 18px;
}

.profile_modal_detail {
    display: flex;
}

.profile_modal_avatar {
    padding-left: 20px;
    padding-right: 20px;
}

.profile_modal_detail_twitter_text {
    padding-right: 20px;
}

.profile_modal_detail_name {
    font-size: 200%;
    font-family: din-2014, sans-serif;
    color: #2d80e2;
}
.profile_modal_detail_twitter {
    font-size: 90%;
    color: #999999;
}

.profile_modal_detail_text {
    color: #666666;
}
.session_list_language {
    color: #666666;
    margin: 10px 0;
}
.session_pic {
    border-radius: 50%;
    cursor: pointer;
    width: 200px;
    height: 200px;
}
.session_pic_0 {
}

.session_pic_1 {
    margin: 20px 0;
}
.session_box figure img {
    opacity: 1;
    -webkit-transition: .3s ease-in-out;
    transition: .3s ease-in-out;
}

.session_box figure img:hover {
    opacity: .6;
}

.session_modal_close {
    padding: 1rem;
    display: flex;
    justify-Content: flex-end;
}

.session_modal_close_button {
    width: 18px;
}

.session_modal_detail {
    display: flex;
}

.session_modal_avatar {
    padding-left: 20px;
    padding-right: 20px;
}

.session_modal_detail_container {
    padding-right: 20px;
}

.session_modal_detail_name {
    font-size: 200%;
    font-family: din-2014, sans-serif;
    color: #2d80e2;
}
.session_modal_detail_title {
    font-size: 200%;
    font-family: din-2014, sans-serif;
    color: #2d80e2;
    margin-bottom: 0;
}
.session_modal_detail_name {
    font-size: 100%;
    color: #999999;
}

.session_modal_detail_language {
    color: #2d80e2;
}

.session_modal_detail_abstract {
    color: #666666;
}
.volunteers_area {
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    margin-top: 3rem;
}

.volunteer_box {
    text-align: center;
    margin: 10px;
    width: 128px;
}

.volunteer_box figure img {
    opacity: 1;
    -webkit-transition: .3s ease-in-out;
    transition: .3s ease-in-out;
}

.volunteer_pic {
    border-radius: 50%;
    width: 128px;
    height: 128px;
}

.note {
    color: #666666;
    margin-bottom: 30px;
}

.slide {
    margin-top: 10px;
}

@media screen and (max-width: 1024px) {
    .site-nav li {
        font-family: din-2014, sans-serif;
        font-size: 2vw;
        font-display: swap;
    }
    .table td, .table th {
        font-size: x-small;
    }
    .gold-sponsors-container {
        width: 256px;
        height: 256px;
        display: flex;
    }

    .gold-sponsors-area {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        align-items: center;
    }

    .gold-sponsors {
        width: 256px;
    }

    .silver-sponsors-area {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        align-items: center;
    }

    .silver-sponsors {
        width: 128px;
    }

    .bronze-sponsors-area {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        align-items: center;
    }

    .bronze-sponsors {
        padding: 15px;
    }

    .bronze-sponsors a img {
        width: 64px;
    }

    .site-wrapper {
        display: table;
        width: 100vw;
        height: 100vh;
        background: #fff;
    }

    .site-wrapper-inner {
        display: table-cell;
        vertical-align: bottom;
        background: url("bg-rust-logo.png") no-repeat scroll center;
        background-size: 50% auto;
    }

    div.subtitle {
        margin-bottom: 10%;
    }

    div.subtitle p {
        padding: 0;
        margin: 0;
    }

    .Modal {
        position: absolute;
        top: 20%;
        bottom: 20%;
        left: 5%;
        right: 5%;
        background-color: white;
        overflow: scroll;
    }

    .Overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(0, 0, 0, 0.5);
    }

    .profile_box {
        text-align: center;
        margin: 10px;
        width: 120px;
    }

    .profile_area {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        margin-top: 3rem;
    }

    .profile_modal_close {
        padding: 3vw;
    }

    .profile_modal_detail {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
    }

    .profile_modal_avatar {
        padding-left: 0;
        padding-right: 0;
    }

    .profile_pic {
        border-radius: 50%;
        cursor: pointer;
        width: 100px;
        height: 100px;
    }

    .session_pic_0 {
        margin: 0 10px;
    }

    .session_pic_1 {
        margin: 0 10px;
    }

    .profile_modal_detail_twitter_text {
        width: 300px;
        padding-left: 0;
        text-align: center;
    }

    .profile_modal_detail_text {
        text-align: left;
    }

    .session_modal_close {
        padding: 3vw;
    }

    .session_modal_detail {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
    }

    .session_modal_avatar {
        padding-left: 0;
        padding-right: 0;
    }

    .session_pic {
        border-radius: 50%;
        cursor: pointer;
        width: 100px;
        height: 100px;
    }

    .session_modal_detail_container {
        width: 300px;
        padding-left: 0;
        text-align: center;
    }

    .session_modal_detail_abstract {
        text-align: left;
    }

    .volunteers_area {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        margin-top: 3rem;
    }

    .volunteer_box {
        text-align: center;
        margin: 5px;
        width: 64px;
    }

    .volunteer_pic {
        border-radius: 50%;
        width: 64px;
        height: 64px;
    }

    .icon-width {
        width: 10px;
    }
}

@media screen and (min-width: 1024px) {
    .site-nav li {
        font-family: din-2014, sans-serif;
        font-weight: 400;
        font-display: swap;
    }

    .gold-sponsors-container {
        width: 512px;
        height: 512px;
        display: flex;
    }

    .gold-sponsors-area {
        display: flex;
        justify-content: flex-start;
        flex-wrap: wrap;
        align-items: center;
    }

    .gold-sponsors {
        width: 512px;
    }

    .silver-sponsors-area{
        display: flex;
        justify-content: flex-start;
        flex-wrap: wrap;
        align-items: center;
    }

    .silver-sponsors {
        width: 256px;
    }

    .bronze-sponsors-area {
        display: flex;
        justify-content: flex-start;
        flex-wrap: wrap;
        align-items: center;
    }

    .bronze-sponsors {
        padding: 30px;
    }

    .bronze-sponsors a img {
        width: 128px;
    }

    .site-wrapper-inner {
        display: table-cell;
        vertical-align: bottom;
        background: url("bg-rust-logo.png") no-repeat right 20% top 30%;
        background-size: 30% auto;
    }

    div.subtitle {
        margin-bottom: 8%;
    }

    div.subtitle p {
        padding: 0;
        margin: 0;
    }

    .site-wrapper {
        display: table;
        width: 100vw;
        height: 100vh;
        min-height: 100%;
        background: #fff;
    }

    .icon-width {
        width: 16px;
    }
}
