body {
    color:#fff;
    background: #000;
    padding:0;
    margin:0;
    overflow-y:scroll;
    overflow-x:hidden;
    font-family: 'Arial';
    text-align:center;
    font-weight: normal;
}
h1,h2,p {
    font-weight: normal;
}
ul {
    list-style: none;
    padding: 0;
}
h1#num4 {
    position: absolute;
    font-size: 60em;
    opacity: 0.9;
    margin: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
h2 {
    font-size: 3em;
}
h2.page_title {
    text-transform: uppercase;
    padding: 0 25%;
}
#main_content {
    height: 100%;
}
#mobile_menu {
    display: none;
    background: #fff;
    width: 100%;
    height: 46px;
    position: absolute;
    overflow: hidden;
    color: #000;
    top: 0;
}
#main_menu {
    height: 100%;
    background: #000;
    position: fixed;
    width: 53%;
    z-index: 99;
}
#main_menu #img_overlay {
    background: url(laturbo.png);
    background-repeat: no-repeat !important;
    background-size: cover !important;
    background-position: center !important;
    width: 100%;
    height: 100%;
    position: absolute;
    display: none;
    opacity: 0;
}
#menu_header {
    color: #000;
    height: 100%;
    width: 47px;
    float: right;
    border: none;
    display: inline-block;
    background: #ffffff !important;
    border-left: 1px solid #000;
}
#menu_header h3, #menu_header p {
    font-weight: normal;
       /* Safari */
    -webkit-transform: rotate(-90deg);
    /* Firefox */
    -moz-transform: rotate(-90deg);
    /* IE */
    -ms-transform: rotate(-90deg);
    /* Opera */
    -o-transform: rotate(-90deg);
    /* Internet Explorer */
    filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=3);
}
#menu_header {
    position: relative;
}
#menu_header #title_b {
    position: absolute;
    bottom: 0;
    text-align: center;
    font-size: 1.7em;
    margin-left: -8px;
    margin-bottom: 68.5%;
}
#menu_header #title_t {
    position: absolute;
    top: 0;
    text-align: center;
    font-size: 1.7em;
    margin-left: -8px;
    margin-top: 68.5%;
}
#menu_header #title_c {
    position: absolute;
    transform-origin: 24px 50%;
    bottom: 0;
    font-size: 1.7em;
    width: 100vh;
    white-space: nowrap;
    text-transform: uppercase;
}
#menu_options, #mobile_options {
    position: relative;
    width: 100%;
    color: #fff;
    list-style: none;
    height: 100%;
    margin: 0;
    padding: 0;
    z-index: -1;
    background: #000;
    border-bottom: 2px solid #000;
}
#menu_options p {
    text-align: left;
    line-height: 1.13;
    color: #fff;
    position: absolute;
    display: block;
    left: 0;
    font-size: 1.5em;
    padding: 2.3% 0 0 3.6%;
    margin-top: 0;
    /*width: 500px;*/
    width: calc(100% - 75px);
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    hyphens: auto;
}
#menu_options li:hover, #menu_options li.li_hovered {
    background-color: #fff;
    color: #000;
    /*border-right: 1px solid #000;*/
    border-bottom: 1px solid #000;
}
#menu_options li {
    border-bottom: 1px solid #fff;
    color: white;
    height: 20%;
    font-size: 14em;
    display: flex;
    justify-content: center;
    flex-direction: column;
    text-align: center;
}
#menu_options li a {
    color: inherit;
}
.onethird {
    width: 45%;
    font-size: 1.5em !important;
}
.center {
    text-align: center !important;
}



#mobile_options li.mobile_li {
    font-size: 3.5em;
    border-top: 1px solid #fff;
}
#mobile_options li {
    height: auto;
    text-align: center;
    background: #000;
    color: #fff;
}
#mobile_options {
    z-index: 1;
    height: auto;
    bottom: 0;
    position: absolute;
    display: none;
}
#mobile_options.top_mobile {
    top: 45px !important;
}
#mobile_options .active_mobile {
    background: #fff;
    color: #000;
}
#mobile_options .page_mobile {
    display: none;
    /*font-size: 0.98em;*/
    text-align: left;
    padding: 0 20px;
}
#mobile_options .page_mobile.mobile_schedule {
    padding: 0;
}
#mobile_options .page_mobile.mobile_schedule ul {
    border-top: 1px solid #fff;
}
.top, .bottom {
    overflow: hidden;
}
.page_mobile .talk_dropdown {
    text-align: left;
    padding: 15px 25px 24px;
    display: none;
    border-bottom: 1px solid #fff;
}
#schedule_pg .talk_dropdown p.sidenote, .page_mobile .talk_dropdown p.sidenote{
    font-size: 0.8em !important;
}



a { color: #ff0080; text-decoration: none; }
a:hover { color: #0080ff; }
canvas { pointer-events:none; z-index:10; }
#d { text-align:center; margin:1em auto -9.5em; z-index:200; position:relative; display:block;
    background:rgba(0,0,0,0.5); padding:0.5em; width:400px; border-radius:15px; -webkit-box-shadow: 0px 0px 10px rgba(0,0,0,0.5) }
#oldie { margin-top:15em !important }

#container  {
    color: #fff;
    font-family:Monospace;
    font-size:10px;
    text-align:center;
    /*background-color: #000000;*/
    margin: 0px;
    overflow: hidden;
    text-align: left;
    position: absolute;
}
.main {
    height: 100%;
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    /*background: #000;*/
}

.grid-container {
    display: grid;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50px;
    right: 0;
}
.grid-item img {
    position: relative;
    justify-content: center;
    display: flex;
    align-items:center;
    margin: 0 auto;
    /*height: 63%;
    top: 50%;*/
    top: 8%;
    height: 10%;
    transform: translateY(-50%);
}
.bottom {
    border-top: 1px solid #fff;
    z-index: 9 ;
}
.top .grid-item:last-child, .bottom .grid-item:last-child {
    border-right: none;
}
.grid-item {
    display: inline-block;
    float: right;
    width: 6.88%;
    height: 100%;
    position: relative;
    background: #fff;
    border-right: 1px solid #000;
    filter: invert(100%);
}
.no-bottom {
    margin-bottom: 0;
}





/*.grid-container {
    visibility: hidden;
}*/
#about_pg, #schedule_pg {
    font-size: 1.7em;
    display: none;
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    width: 47%;
    padding: 0 30px;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
}
#about_pg span, #about_pg p {
    text-align: left;
}
.no-top{
    margin-top: 0;
}
ul.speakers_list, ul.credit_list {
    columns: 2;
    -webkit-columns: 2;
    -moz-columns: 2;
    text-align: left;
    margin-top: 0;
}
ul.workshop_list {
    columns: 1;
    -webkit-columns: 1;
    -moz-columns: 1;
    text-align: left;
    margin-top: 0;
}
ul.credit_list li {
    margin-bottom: 10px;
}

#tickets_pg {
    display: none;
}


#schedule_pg {
    padding: 0;
}
#schedule_pg p {
    height: auto;
    margin: 0;
    padding: 15px 30px;
    display: flex;
    justify-content: center;
    flex-direction: column;
    text-align: center;
    background: #fff;
    color: #000;
    border-left: 1px solid #000;
    text-transform: uppercase;
}
.mobile_schedule p.header_date {
    display: flex;
    justify-content: center;
    flex-direction: column;
    text-align: center;
    text-transform: uppercase;
    font-size: 1.1em !important;
}
#schedule_pg ul {
    padding: 0;
    margin: 0;
    height: auto;
}
#schedule_pg li, .mobile_schedule li {
    display: flex;
    justify-content: center;
    flex-direction: column;
}
#schedule_pg li span.title, .page_mobile li span.title{
    width: 85%;
}
#schedule_pg li span.time, .page_mobile li span.time {
    height: auto;
    right: 25px;
    position: absolute;
}
#schedule_pg li .sched_item span, .page_mobile li .sched_item span {
    float: left;
    height: auto;
    text-align: left;
    padding: 0;
    text-transform: uppercase;
}
#schedule_pg .sched_item, .page_mobile .sched_item{
    padding: 15px 25px !important;
    background: #000;
    color: #fff;
    border-bottom: 1px solid #fff;
}
#schedule_pg .sched_item.active, #schedule_pg .sched_item:hover {
    background: #fff;
    color: #000;
    border-left: 1px solid #000;
}
#schedule_pg .talk_dropdown {
    display: none;
}
.mobile_schedule .talk_dropdown p:first-child {
    margin-top:0;
}
p.workshop_title {
    text-transform: uppercase;
}
#schedule_pg .talk_dropdown p {
    padding: 0 25px;
    text-align: left;
    background: #000;
    color: #fff;
    margin: 20px 0;
    text-transform: unset;
    opacity: 0;
}
.mobile_arena_container {
    position: relative;
}
#schedule_pg .arena_block, .mobile_schedule .arena_block {
    height: 220px;
    width: 49.8%;
    background: #fff;
    color: #000;
    float: left;
    font-size: .9em;
    margin-left: 1px;
    margin-bottom: 1px;
    display: flex;
    justify-content: center;
    flex-direction: column;
}
.arena_block img.arena_arrow {
    width: 17px;
    padding-left: 5px;
}
.mobile_schedule .arena_block {
    width: 100%;
    height: 80px;
}
#schedule_pg .arena_block a, .mobile_schedule .arena_block a {
    text-align: center;
    text-transform: uppercase;
    color: #000;
    padding: 0 10px;
}
.supported_by img {
    width: 190px;
    display: inline-block;
    float: left;
}



@-moz-document url-prefix() {
    .grid-container {
        height: 100%;
    }
    .grid-item {
        height: 100%;
    }
    .grid-item img {
        top: 50%;
        height: 50%;
    }
}

@media not all and (min-resolution:.001dpcm){ @supports (-webkit-appearance:none) {
    .grid-container {
        height: 100%;
    }
    .grid-item {
        height: 100%;
    }
}}

@media screen and (max-width: 2250px) {
     #menu_options li {
        font-size: 11em;
    }
}

@media screen and (max-width: 2000px) {
    #about_pg, #schedule_pg {
        font-size: 1.5em;
    }
    .grid-item img {
        /*height: 10%;*/
    }
    .grid-item {
        width: 6.92%;
    }
    #menu_options li {
        font-size: 7.5em;
    }
    #schedule_pg li span.title, .page_mobile li span.title {
        width: 70%;
    }
}
@media screen and (max-width: 1500px) {
    #about_pg, #schedule_pg {
        font-size: 1.5em;
    }
    #menu_options li {
        font-size: 7.1em;
    }
    .grid-item {
        width: 6.92%;
    }
}
@media screen and (max-width: 1250px) {
    #menu_options li {
        font-size: 6em;
    }
}
@media screen and (max-width: 1000px) {
    #about_pg, #schedule_pg {
        font-size: 1.2em;
    }
    #menu_options li {
        font-size: 4.8em;
    }
    .grid-item {
        width: 7.5%;
        height: 100%;
    }
}
@media screen and (max-width: 850px) {
    .grid-item {
        width: 8.19%;
        height: 100%;
    }
    #menu_options li {
        font-size: 3.8em;
    }
}
@media (max-width: 550px) { 
    #main_menu {
        display: none;
    }
    #mobile_menu, #mobile_options {
        display: block;
    }
    #mobile_menu #mobile_menu_header .title_b { 
        float: left;
        margin-left: 5%;
        margin-top: 23px;
    }
    #mobile_menu #mobile_menu_header .title_t { 
        float: right;
        margin-right: 5%;
        margin-top: 23px;
    }
    #mobile_menu .title_c {
        margin-top: 23px;
        text-transform: uppercase;
        font-size: 1.3em !important;
    }
    #mobile_menu #mobile_menu_header * {
        display: inline-block;
        font-size: 1.4em;
        vertical-align: middle;
        line-height: 10%;
        font-weight: normal;
    }
    #mobile_options li a {
    color: inherit;
    }
    .onethird {
        width: 100%;
    }
    h2.page_title {
        padding: 0;
    }
    .session {
        padding: 0;
    }
    h2 {
        font-size: 2.5em;
    }
    ul.speakers_list li, ul.credit_list li, ul.workshop_list li {
        border:none !important;
        text-align:left !important;
        padding:0 !important;
    }
    .loaded_content {
        padding: 17.5% 8% 15%;
        width: 100%;
    }
    .top, .bottom {
        overflow: hidden;
    }
    .grid-item {
        width: 16.4%;
        height: 100%;
        float: left;
    }
    .grid-container {
        height: 73%;
        left: 0;
        z-index: -1;
    }
    .grid-item img {
        position: relative;
    }
    .top {
        border-top: 2px solid #000;
        margin-top: 46px;
    }
    #schedule_pg li span.title, .page_mobile li span.title {
        width: 70%;
    }
    .supported_by {
        width: 100%;
        display: inline-block;
    }
    .supported_by img {
        width: 150px;
        display: inline-block;
    }
    .arena_block img.arena_arrow {
        width: 9px;
    }
    @media not all and (min-resolution:.001dpcm){ @supports (-webkit-appearance:none) {
            .grid-container {
                height: 70%;
                left: 0;
                z-index: -1;
            }
            .grid-item img {
                top: 50%;
                height: 40%;
            }
            .top, .bottom {
                overflow: hidden;
                height: 74px;
                display: inline-block;
            }
            #mobile_menu .title_c, #mobile_menu #mobile_menu_header * {
                font-size: 1.2em !important;
            }
            /*.grid-container .bottom:last-child {
                display: none !important;
            }*/
    }}
}
@media screen and (max-width: 375px) {
    .grid-container {
        height: 70%;
        left: 0;
        z-index: -1;
    }
    .grid-item {
        width: 16.4%;
    }
}
@media screen and (max-width: 320px) {
    .grid-item {
        width: 16.33%;
    }
}