main.css

@font-face {
  font-family: "Inconsolata";
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src:
    local("Inconsolata Regular "),
    local("Inconsolata-Regular"),
    url("/node_modules/typeface-inconsolata/files/inconsolata-latin-400.woff2") format("woff2"),
    url("/node_modules/typeface-inconsolata/files/inconsolata-latin-400.woff") format("woff");
}

html {
  width: 100%;
  height: 100%;
}
body {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(#001, #002 66%, #112);
}
#sky,
#sunrise,
#sunset,
#sun {
  transition: 2s;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
#sky {
  background: linear-gradient(#125, #136 15%, #19C 70%, #9CF);
  opacity: 1.0;
}
#sunrise {
  background: radial-gradient(circle at left bottom, #F62, transparent 200%);
  opacity: 0.0;
}
#sunset {
  background: radial-gradient(circle at right bottom, #F62, transparent 200%);
  opacity: 0.0;
}
#sun {
  background: radial-gradient(circle at 105% 0%, #FFF, #FFC 10%, transparent 80%);
  opacity: 0.0;
}

body {
  color: rgba(255, 255, 255, 0.6);
  text-shadow: 0 0 2px rgba(0, 0, 0, 0.2);
}
body, code {
  font-family: "Inconsolata", monospace;
}
#time {
  font-size: calc(24px + 4vw);
}
#time code {
  color: rgba(255, 255, 255, 0.9);
}
#time .sep {
  color: rgba(255, 255, 255, 0.6);
}

#alert {
  font-size: calc(16px + 2vw);
  position: absolute;
  bottom: 0;
  padding: 1em;
}
@media (max-width: 575px) {
  .extra {
    display: none;
  }
  html.menu #time {
    opacity: 0;
  }
}
html.clock-compact .extra {
  display: none;
}

#time {
  position: relative;
  text-align: center;
  width: 100%;
  margin: 1em;
}
#time code:hover:after {
  font-size: calc(16px + 2vw);
  color: rgba(255, 255, 255, 0.6);
  position: absolute;
  display: block;
  text-align: center;
  width: 100%;
}
#century:hover:after {
  content: "(centuries since epoch)";
}
#year:hover:after {
  content: "(years)";
}
#month:hover:after {
  content: "(months since second solstice)";
}
#day:hover:after {
  content: "(days since new moon)";
}
#centiday:hover:after {
  content: "(centidays since midnight)";
}
#dimiday:hover:after {
  content: "(dimidays)";
}
#microday:hover:after {
  content: "(microdays)";
}

html.menu #menu-content {
  display: flex;
  flex-direction: column;
}

.hamburger-inner:before,
.hamburger-inner:after,
.hamburger-outer,
.hamburger-inner {
  display: block;
  width: 20px;
  transition: 0.1s;
}
.hamburger-outer {
  position: relative;
  height: calc(2px + 2 * 6px);
}
.hamburger-inner:before,
.hamburger-inner:after,
.hamburger-inner {
  position: absolute;
  content: "";
  height: 2px;
  background: rgba(255, 255, 255, 0.6);
}
.hamburger-outer:hover .hamburger-inner:before,
.hamburger-outer:hover .hamburger-inner:after,
.hamburger-outer:hover .hamburger-inner {
  background: rgba(255, 255, 255, 0.9);
}
.hamburger-inner:before {
  top: -6px;
}
.hamburger-inner,
.hamburger-inner:after {
  top: 6px;
}
html.menu .hamburger-inner,
html.menu .hamburger-outer:hover .hamburger-inner {
  background: transparent;
}
html.menu .hamburger-inner:before {
  transform: rotate(45deg);
  top: 0;
}
html.menu .hamburger-inner:after {
  transform: rotate(-45deg);
  top: 0;
}

#menu-button,
#menu-content {
  position: absolute;
  font-size: 1.5em;
  right: 0;
  top: 0;
}
#menu-button {
  padding: 0.5em;
  transition: color ease 0.5s;
  z-index: 2;
}
#menu-content {
  display: none;
  height: 100%;
  padding: 0 0.5em;
  background: rgba(0, 0, 0, 0.2);
}
#menu-content > div {
  margin-top: 1em;
}
#menu-content > #geolocation {
  margin-top: 1.5em;
}
#menu-content > #credits {
  margin-top: auto;
  margin-bottom: 0.5em;
}
#menu-content code {
  float: right;
  margin-left: 1em;
}
a {
  color: inherit;
}
.btn {
  cursor: pointer;
}
#credits a:hover,
.btn:hover {
  color: rgba(255, 255, 255, 0.9);
}


#time #human,
#time #machine,
#time #legacy,
html.format-human #time #machine,
html.format-machine #time #human {
  display: none;
}
html.format-human #time #human,
html.format-machine #time #machine,
html.format-legacy #time #legacy {
  display: block;
}