server-status-check/public/css/styles.css

query the server periodically to check whether it is up

:root {
  --font-base-size: 16px;
  --font-family-for-content: monospace;
  --font-family-for-titles: Futura,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,Cantarell,"Fira Sans","Droid Sans","Helvetica Neue","Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol",sans-serif;
  --font-size-modest-title: 2rem;
  --font-size-content-mobile: 1.5rem;
  --font-size-content-desktop: 1.2rem;
  --font-size-h1-desktop: 4rem;
  --font-size-h1-mobile: 3.2rem;
  --font-size-h2-desktop: 2.7rem;
  --font-size-h2-mobile: 2.3rem;
  --font-size-h3-desktop: 2.3rem;
  --font-size-h3-mobile: 2.1rem;
  --font-size-h4-desktop: 2rem;
  --font-size-h4-mobile: 1.8rem;
  --font-size-h5-desktop: 1.5rem;
  --font-size-h5-mobile: 1.4rem;
  --theme-dark-link-color: #FEE000;
  --theme-light-link-color: #3b53d0;
}

html {
  font-family: var(--font-family-for-content);
  font-size: var(--font-base-size);
}

body {
  margin: 22px;
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  a {
    color: var(--theme-dark-link-color);
  }
}
@media (prefers-color-scheme: light) {
  a {
    color: var(--theme-light-link-color);
  }
}
a {
  font-weight: 600;
  text-decoration: none;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-family-for-titles);
  margin-bottom: 1.27rem;
  margin-top: 2.5rem;
}

p {
  line-height: 1.57rem;
  margin-bottom: 1rem;
  margin-top: 0.57rem;
}

#main-container {
  padding-top: 3vh;
  margin-bottom: 8vh;
}

#main-container > header {
  margin-bottom: 3.6em;
}

@media (max-width: 415px) {
  h1 {
    font-size: var(--font-size-h1-mobile);
  }
  h2 {
    font-size: var(--font-size-h2-mobile);
  }
  h3 {
    font-size: var(--font-size-h3-mobile);
  }
  h4 {
    font-size: var(--font-size-h4-mobile);
  }
  h5 {
    font-size: var(--font-size-h5-mobile);
  }

  #content > .content-inner {
    max-width: 45rem;
  }
  #main-container footer {
    max-width: 45rem;
  }
  table {
    font-size: var(--font-size-content-mobile);
  }
}
@media (min-width: 416px) {
  html {
    font-size: 18px;
  }
  h1 {
    font-size: var(--font-size-h1-desktop);
  }
  h2 {
    font-size: var(--font-size-h2-desktop);
  }
  h3 {
    font-size: var(--font-size-h3-desktop);
  }
  h4 {
    font-size: var(--font-size-h4-desktop);
  }
  h5 {
    font-size: var(--font-size-h5-desktop);
  }
  #content > .content-inner {
    max-width: 37rem;
  }
  #main-container footer {
    max-width: 37rem;
  }
  table {
    font-size: var(--font-size-content-desktop);
  }
}

#main-container footer {
  margin: 10vh auto 7vh auto;
}

#main-container footer p {
  font-size: 0.7rem;
  text-align: right;
}

/* HOME */

#main-container > header > h1 {
  text-align: center;
}

#content {
  margin: 0 auto;
  list-style: none;
  max-width: 90vw;
}

#content > p[class^="status-"] {
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  height: 6vh;
  margin-bottom: 3rem;
}

p {
  max-width: 40em;
  margin-left: auto;
  margin-right: auto;
}

[class^=status-] {
  text-transform: uppercase;
  font-weight: bold;
}

.status-up {
  color: #008700;
}
.status-down {
  color: #ee0000;
}
.status-unknown {
  color: #1673e9;
}

#content > .status-up {
  background-image: url(/img/heart.gif);
}

#content > .status-down {
  background-image: url(/img/broken-heart.gif);
}

#content > .status-unknown {
  background-image: url(/img/hourglass.gif);
}

table {
  margin-left: auto;
  margin-right: auto;
}

table thead tr th {
  font-family: var(--font-family-for-titles);
}

table tbody tr td:nth-child(1) {
  font-weight: 600;
}

table tr td, table tr th {
  vertical-align: bottom;
  padding: 0.5rem;
}
table thead tr:nth-child(odd) {
  background: #F0F4F5;
}
table tbody tr:nth-child(even) {
  background: #F0F4F5;
}