header{background:url("/assets/images/header_image.png");background-repeat:no-repeat;background-size:cover;padding:50px 0}header #logo{margin:0 auto;max-width:50%}header #logo img{max-width:100%}ul.talks-list{list-style-type:none;margin:0;padding:0}.anchor{text-decoration:none}.logos a{display:inline-block}.silver{display:grid;grid-template-columns:repeat(2, 1fr);grid-gap:40px;justify-items:center;align-items:center}.gold{display:grid;grid-template-columns:repeat(2, 1fr);grid-gap:40px;justify-items:center;align-items:center}.platinum{margin:50px 0 0 0;display:grid;grid-template-columns:repeat(1, 1fr);grid-gap:40px;justify-items:center;align-items:center}.silver img{max-width:200px;height:auto;object-fit:contain}.gold img{max-width:400px;height:auto;object-fit:contain}.platinum img{width:600px;max-width:600px;height:auto;object-fit:contain}@media (max-width: 995px){.silver{margin:30px 0 0 0;grid-template-columns:repeat(1, 1fr)}.gold{grid-template-columns:repeat(1, 1fr)}.silver img{max-width:170px}.gold img{max-width:340px}.platinum img{max-width:500px}}.bg-gray{color:#EEE;background:#424242}.bg-purple{color:#FFF;background:#6200EE}.bg-white{color:#000;background:#FFF}