:root{--primary:#b4450e;--primary-txt:#fff;--accent:grey;--accent-txt:#fff;--base:#fff;--base-text:#424242;--base-secondary-text:#636363;--link-secondary-text:#424242;--toc-text:var(--primary);--darken-1:rgba(0,0,0,0.125);--darken-2:rgba(0,0,0,0.25);--darken-3:rgba(0,0,0,0.5);--lighten-1:rgba(255,255,255,0.125);--lighten-2:rgba(255,255,255,0.25);--lighten-3:rgba(255,255,255,0.5);--color-hero:#f8f8ff;--color-platium:#73737a;--color-gold:#b7935b;--color-error:#b22222;--space-1:.125rem;--space-2:.25rem;--space-3:.5rem;--space-4:1rem;--theJdrSize:1100px;--block-text-max-width:60rem;--breakpoint-sm:34.375rem;--breakpoint-md:45rem;--breakpoint-lg:60rem;--breakpoint-xl:71.25rem;--container-margin:10vw;--container-margin-mobile:3vw;--toolbar-height:3.25rem;--font-family:"Roboto",sans-serif;--tag1:#b3e2cd;--tag2:#fdcdac;--tag3:#cbd5e8;--tag4:#f4cae4;--tag5:#e6f5c9;--tag6:#fff2ae;--tag7:#f1e2cc;--tag8:#ccc;--native-mobile-apps:var(--tag2);--web:var(--tag6);--method-tools:var(--tag5);--big-data-ml-ai:var(--tag3);--iot:var(--tag8);--cloud:var(--tag4);--languages:var(--tag1);--wtf:var(--tag7);--general:var(--tag8);--office-hours:#fffaf0;--keynote:#afeeee;--jumbo-logo-width:800px;--jumbo-overlay-opacity:0.6;--partner-support-height:60px;--partner-sponsors-height:calc(var(--partner-support-height)*3);--partner-communities-height:calc(var(--partner-support-height)*2);--partner-organizers-height:calc(var(--partner-support-height)*2);--animation:0.3s cubic-bezier(0.4,0,0.2,1);--extruded-dark:1px 0 0 var(--darken-3);--extruded-light:1px 0 0 var(--lighten-3);--box-shadow-1:0 0 2px 0 rgba(0,0,0,0.07),0 2px 2px 0 rgba(0,0,0,0.15);--box-shadow-2:0 3px 3px -2px rgba(0,0,0,0.2),0 3px 4px 0 rgba(0,0,0,0.14),0 1px 8px 0 rgba(0,0,0,0.12);--fg-mark-a:#fff;--bg-mark-a:#fb2c17;--fg-mark-b:#000;--bg-mark-b:#fc0;--fg-mark-t2:#fff;--bg-mark-t2:#11a7e0;--base-grid-height:4.5em;--footer-bg:#222;--footer-fg:#8a8a8a}@media 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var(--toolbar-height))}h1,h2,h3,h4,h5,h6{margin:0;font-weight:400}hr{border-color:rgba(0,0,0,.125);border-color:var(--darken-1);opacity:.25}p{line-height:1.25}a,a:visited{color:inherit;text-decoration:none}.content a,.content a:visited{color:#b4450e;color:var(--toc-text)}.language.english:before{content:"EN";font-size:50%}.visually-hidden{position:absolute!important;height:1px;width:1px;overflow:hidden;clip:rect(1px 1px 1px 1px);clip:rect(1px,1px,1px,1px)}body>footer.container,body>header.container,body>main>section.container{padding:4rem 10vw;padding:4rem var(--container-margin)}body>main{flex-grow:1}body>main>section{margin:2rem 10vw;margin:2rem var(--container-margin);padding-left:0;padding-right:0}@media (max-width:44.99em){body>main>section{margin:1rem}}body>main>section.primary{background-color:#b4450e;background-color:var(--primary);color:#fff;color:var(--primary-txt)}body>main>section.accent{background-color:grey;background-color:var(--accent);color:#fff;color:var(--accent-txt)}a.btn,button,input[type=button],input[type=reset],input[type=submit],span.btn{display:inline-flex;align-items:center;border:thin solid rgba(0,0,0,.5);border:thin solid var(--darken-3);background:rgba(0,0,0,.125);background:var(--darken-1);padding:.5rem;padding:var(--space-3);color:inherit;text-transform:uppercase;text-decoration:none;font-size:.875rem;font-weight:100;cursor:pointer;text-shadow:1px 0 0 rgba(255,255,255,.5);text-shadow:var(--extruded-light);--focus-color:var(--darken-1);--active-color:var(--darken-1)}a.btn.btn-lg,button.btn-lg,input[type=button].btn-lg,input[type=reset].btn-lg,input[type=submit].btn-lg,span.btn.btn-lg{padding:.5rem 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button,span.btn[aria-disabled]{opacity:.5;cursor:not-allowed;-webkit-filter:grayscale(100%);filter:grayscale(100%)}a.goto-top{position:fixed;display:flex;bottom:2em;right:2em;width:1em;height:1em;justify-content:center;border:.75em solid #b4450e;border:.75em solid var(--primary);align-items:center;font-size:200%;background-color:#b4450e;background-color:var(--primary);color:#fff;color:var(--primary-txt);border-radius:50%}@media (prefers-color-scheme:dark){a.btn,button,input[type=button],input[type=reset],input[type=submit],span.btn{background:none}}.icon{--size:1em;height:1em;height:var(--size,1em);min-width:1em;min-width:var(--size,1em);display:inline-block;background-repeat:no-repeat;margin-right:.125rem;margin-right:var(--space-1)}a .icon.icon-calendar,a .icon.icon-email,a .icon.icon-pdf,a .icon.icon-subscribe{margin-right:.5rem;margin-right:var(--space-3)}a .icon.icon-right{margin-left:.5rem;margin-left:var(--space-3)}body>header{position:fixed;top:0;z-index:100;width:100vw;box-shadow:0 .125rem .125rem rgba(0,0,0,.5);box-shadow:0 var(--space-1) var(--space-1) rgba(0,0,0,.5);background:#b4450e;background:var(--primary);color:#fff;color:var(--primary-txt)}body>header .top-content{max-width:1100px;max-width:var(--theJdrSize);margin:0 auto;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center}body>header .logo{padding:.25rem 0;padding:var(--space-2) 0}body>header .logo img{height:2.75rem;height:calc(var(--toolbar-height) - 2*var(--space-2));-webkit-filter:drop-shadow(0 2px 2px rgba(0,0,0,.5));filter:drop-shadow(0 2px 2px rgba(0,0,0,.5))}body>header label{display:none;opacity:.5;padding:.1em;border:.25rem solid transparent;border:var(--space-2) solid transparent;outline-offset:.25rem;outline-offset:var(--space-2)}body>header label 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