antora-ui-camel/src/css/frontpage.css

header.frontpage {
  font-size: 1.5rem;
  display: flex;
  flex-flow: column;
  align-items: center;
  margin: 0 auto;
  max-width: 60rem;
}

header.frontpage h1 {
  font-size: 5rem;
  font-weight: bolder;
  color: var(--heading-font-color);
  margin-top: 3rem;
  text-align: center;
  text-transform: none;
  text-shadow: -1px -1px 1px #fff5, 1px -1px 1px #fff5, -1px 1px 1px #fff5, 1px 1px 1px #fff5;
}

header.frontpage p {
  hyphens: none;
  margin-top: 3rem;
  text-align: center;
  line-height: 1.5;
  color: var(--body-font-color);
}

header.frontpage a {
  color: var(--heading-font-color);
  text-decoration: underline;
}

header.frontpage a:hover {
  color: var(--heading-font-color);
  text-decoration: underline;
}

header.frontpage a:active {
  color: var(--heading-font-color);
}

.frontpage a:hover {
  color: var(--color-white);
  text-decoration: none;
}

.frontpage a:active {
  color: var(--color-white);
}

.frontpage a.significant {
  margin: 1rem;
  padding: 0.8rem 1.5rem;
  background: var(--color-camel-orange);
  color: var(--color-white);
  border-radius: 8px;
  font-size: 1.2rem;
  font-weight: bold;
  outline: none;
  display: inline-block;
  box-shadow: 0 4px #8e480b;
}

.frontpage a.significant:hover {
  color: var(--color-white);
  box-shadow: 0 3px #8e480b;
  transform: translateY(2px);
}

.frontpage a.significant:active {
  color: var(--color-white);
  box-shadow: 0 3px #8e480b;
  transform: translateY(2px);
}

header.frontpage svg {
  position: absolute;
  top: 4rem;
  left: 0;
  width: 100%;
  height: 14rem;
  z-index: -1;
}

header.frontpage svg path {
  fill: none;
  animation: sparkle 2s ease alternate infinite;
}

header.frontpage svg path:nth-child(1) {
  stroke: #ffebcc;
  stroke-width: 10;
  stroke-opacity: 0.9;
}

header.frontpage svg path:nth-child(2) {
  stroke: #911408;
  stroke-width: 10;
  stroke-opacity: 0.3;
  animation-delay: -1s;
}

header.frontpage svg path:nth-child(3) {
  stroke: #f1b35b;
  stroke-width: 15;
  stroke-opacity: 0.6;
  animation-delay: -3.5s;
}

header.frontpage svg path:nth-child(4) {
  stroke: #f28a40;
  stroke-width: 5;
  stroke-opacity: 0.4;
  animation-delay: -3s;
}

header.frontpage svg path:nth-child(5) {
  stroke: #ee6d11;
  stroke-width: 5;
  stroke-opacity: 0.6;
  animation-delay: -6s;
}

@keyframes sparkle {
  0% {
    stroke-opacity: 0.2;
  }

  100% {
    stroke-opacity: 0.6;
  }
}

section.frontpage {
  color: var(--doc-font-color);
  font-size: var(--doc-font-size);
  line-height: var(--doc-line-height);
  margin: 0 auto;
  margin-top: 4rem;
  max-width: var(--frontpage-max-width);
}

section.frontpage.columns,
section.frontpage.projects,
section.frontpage.apache {
  display: flex;
  flex-wrap: wrap;
  border-top: 1px solid var(--color-smoke-50);
  padding: 2rem 1rem 1rem 1rem;
}

section.frontpage.projects .project {
  width: calc(33% - 3rem);
  padding: 1%;
}

section.frontpage h1,
section.frontpage h2,
section.frontpage h3,
section.frontpage h4,
section.frontpage h5,
section.frontpage h6 {
  font-weight: var(--heading-font-weight);
  color: var(--heading-font-color);
  line-height: 1.3;
  margin: 1rem 0 0;
  text-transform: uppercase;
  word-wrap: break-word;
}

section.frontpage a {
  color: var(--link-font-color);
}

section.frontpage a:hover {
  color: var(--link_hover-font-color);
}

section.frontpage h1 {
  width: 100%;
  text-align: center;
  margin-bottom: 1rem;
}

section.frontpage h2 {
  text-align: center;
}

section.frontpage.columns .box {
  width: calc(50% - 3rem);
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem;
  margin: 1.5rem;
  border: 1px solid var(--color-smoke-90);
}

.section.frontpage.columns .box img {
  width: 27rem;
}

section.frontpage.columns .box .feature-icon {
  width: 3.75rem;
  height: 3.75rem;
  filter: invert(24%) sepia(38%) saturate(1353%) hue-rotate(200deg) brightness(89%) contrast(99%);
}

.split {
  flex: 50%;
  padding: 1rem 0 2rem 0;
}

.split img {
  max-width: 100%;
}

@media screen and (max-width: 626px) {
  section.frontpage.columns,
  section.frontpage.apache,
  section.frontpage.projects {
    padding-top: 1rem;
  }

  section.frontpage.projects .project {
    width: 100%;
  }
}

@media screen and (max-width: 1023px) {
  header.frontpage h1 {
    font-size: 9vw;
  }

  header.frontpage svg {
    height: 10rem;
    top: 8rem;
  }

  .split {
    margin: 0 1rem;
    flex: 100%;
  }

  .split img {
    max-width: 70%;
    display: block;
    margin: auto;
  }

  section.frontpage.columns .box {
    width: 100%;
  }

  @media screen and (min-width: 627px) {
    section.frontpage.projects .project {
      width: calc(50% - 3rem);
    }
  }
}