style.css

@font-face {
  font-family: 'JetBrains Mono';
  src:
    url('./assets/JetBrainsMono-Regular.woff2') format('woff2 supports variations'),
    url('./assets/JetBrainsMono-Regular.woff2') format('woff2-variations');
  font-weight: 400;
}
@font-face {
  font-family: 'XanhMono';
  src:
    url('./assets/XanhMono-Italic.ttf') format('truetype supports variations'),
    url('./assets/XanhMono-Italic.ttf') format('truetype-variations');
  font-weight: 400;
  font-style: italic;
}

body {
  display: flex;
  flex-direction: column;
  background-color: #fff;
  justify-content: center;
  align-items: center;
  margin: 0;
  padding-top: 5rem;;
  font-family: 'JetBrains Mono', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-weight: 300;
  color: #5B4594;

  background-image:
    radial-gradient(circle at -20% 40%, rgba(232,85,84,0.7) 10%, rgba(0,0,0,0) 60%),
    radial-gradient(circle at right 5%, rgba(219, 212, 196, 0.7) 10%, rgba(0,0,0,0) 80%),
    radial-gradient(circle at -30% 100%, rgb(91, 69, 148) 10%, rgba(0,0,0,0) 40%);
}
body.no-bg {
  background-image: none;
}
@media screen and (min-width: 801px) and (max-width: 1200px) {
  body {
    background-image:
      radial-gradient(circle at -20% 40%, rgba(232,85,84,0.5) 10%, rgba(0,0,0,0) 60%),
      radial-gradient(circle at right 5%, rgba(219, 212, 196, 0.5) 10%, rgba(0,0,0,0) 80%),
      radial-gradient(circle at -30% 100%, rgba(91, 69, 148, 0.5) 10%, rgba(0,0,0,0) 40%);
  }
}
@media screen and (max-width: 800px) {
  body {
    background-image:
      radial-gradient(circle at -20% 40%, rgba(232,85,84,0.3) 10%, rgba(0,0,0,0) 60%),
      radial-gradient(circle at right 5%, rgba(219, 212, 196, 0.3) 10%, rgba(0,0,0,0) 80%),
      radial-gradient(circle at -30% 100%, rgba(91, 69, 148, 0.3) 10%, rgba(0,0,0,0) 40%);
  }
}

body > * {
  margin: 0 2rem 3rem;
}

nav {
  position: fixed;
  top: 0;
  display: flex;
  justify-content: center;
  padding: 1.5rem 1rem;
  width: 100%;
  background-color: #5B4594;
  z-index: 100;
}
nav > div {
  margin: 0 2rem;
  max-width: 1200px;
  width: 100%;
  display: flex;
  justify-content: space-between;
}
nav ul {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 1rem;
}
nav ul li {
  color: #E85554;
}
nav ul li a {
  padding: 1rem 1rem;
  text-decoration: none;
}
nav ul li a:hover {
  text-decoration: underline;
}
nav ul li a.tickets {
  margin-left: 1rem;
  padding: 1rem 2rem;
  background-color: #E85554;
  color: #5B4594;
  border-radius: 0.5rem;
}
@media screen and (max-width: 800px) {
  nav ul li.hide_on_small_screen {
    display: none;
  }
  nav ul li a.tickets {
    padding: 0.8rem 0.5rem;
  }
}

header {
  display: flex;
  flex-direction: column;
  margin: 5rem 0 5rem;
  max-width: 1200px;
}
header img {
  display: inline-block;
  margin: 0 auto;
  width: 100%;
  max-width: 90vw;
  z-index: 1;
}

main {
  max-width: 1200px;
}

section {
  margin: 0 0 3rem 18rem;
  padding-left: 10rem;
  max-width: 43rem;
  font-size: 1.3rem;
  line-height: 1.9rem;
  scroll-margin-top: 8rem;

  background-repeat: no-repeat;
  background-position: 0 17px;
  background-size: 3rem;
}
@media screen and (max-width: 500px) {
  section {
    margin: 2rem 1rem 0;
    padding: 5rem 0 0;
  }
}
@media screen and (min-width: 501px) and (max-width: 600px) {
  section {
    margin-left: 0rem;
    padding-left: 5rem;
  }
}
@media screen and (min-width: 600px) and (max-width: 800px) {
  section {
    margin-left: 3rem;
    padding-left: 8rem;
  }
}
@media screen and (min-width: 801px) and (max-width: 1000px) {
  section {
    margin-left: 7rem;
  }
}
@media screen and (min-width: 1001px) and (max-width: 1200px) {
  section {
    margin-left: 10rem;;
  }
}
section#what-is-unconf {
  background-image: url('./assets/sections/interface-essential-question-help-square.svg');
}
section#talk {
  background-image: url('./assets/sections/content-files-open-book.svg');
}
section#schedule {
  background-image: url('./assets/sections/interface-essential-clock.svg');
}
section#history {
  background-image: url('./assets/sections/email-mail-chat.svg');
}
section#food {
  background-image: url('./assets/sections/food-drink-pizza.svg');
}
section#childcare {
  background-image: url('./assets/sections/food-drink-desert-cotton-candy.svg');
}
section#location {
  background-image: url('./assets/sections/real-estate-building-house.svg');
}
section#inclusivity-diversity {
  background-image: url('./assets/sections/multiple-user.svg');
}
section#code-of-conduct {
  background-image: url('./assets/sections/hand-cross-finger-heart.svg');
}
section#accessibility {
  background-image: url('./assets/sections/business-products-deal-handshake.svg');
}
section#sponsoring {
  background-image: url('./assets/sections/ecology-organic-sun-growth.svg');
}
section#sponsor-silver {
  background-image: url('./assets/sections/pet-animal-dog.svg');
}
section#sponsor-bronze {
  background-image: url('./assets/sections/pet-animal-cat.svg');
}
section#sponsor-community {
  background-image: url('./assets/sections/pet-animal-bear.svg');
}
section#sponsor-coffee {
  background-image: url('./assets/sections/food-drink-coffee.svg');
}
section#contact {
  background-image: url('./assets/sections/email-envelope-close.svg');
}
section.no-indent {
  margin-left: 0;
  padding-left: 0;
}
section img {
  max-width: 100%;
}

h2 {
  margin: 0 0 1rem;
  font-family: 'XanhMono', sans-serif;
  font-size: 3rem;
  font-style: italic;
  font-weight: 400;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  line-height: 4.5rem;
}
h3 {
  font-family: 'XanhMono', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

a {
  color: #E85554;
}

.schedule-button {
  display: inline block;
  margin: 2em 0;
  padding: 1em 2em;
  background-color: #5B4594;
  border-radius: 5px;
}

.sponsor__list {
  display: inline-flex;
  margin: 0;
  padding: 0;
  list-style: none;
}
.index-sponsors .sponsor__list {
  display: grid;
  grid-template-columns: repeat(3, 33%);
}
.sponsor__list li {
  align-self: center;
  margin-right: 5%;
}
@media screen and (max-width: 801px) {
  .index-sponsors .sponsor__list {
    display: grid;
    grid-template-columns: repeat(1, 100%);
  }
}
.sponsor__logo {
  display: inline-block;
  margin: 2rem 0;
}

.sponsor__logo img {
  width: 264px;
  max-width: 90%;
}

ul.social-links {
  padding: 0;
}
ul.social-links li {
  list-style: none;
}
ul.social-links li .link-icon {
  height: 1rem;
  margin-right: 0.6rem;
}

footer {
  margin-bottom: 30rem;
}
footer .logo {
  display: flex;
  justify-content: center;
  margin-top: 20rem;
}