in-c4/static/style.css

* {
  box-sizing: border-box;
}

body {
  font-family: sans-serif;
  margin: auto;
  padding: 1em;
}

h1, #search {
  text-align: center;
  width: 100%;
  font-weight: bold;
}

h1 a {
  text-decoration: none;
  color: initial;
}

#results {
  margin-top: 1em;
}

.result {
  background: #eee;
  padding: 1em;
  border: 1px solid #bbb;
}

.result:focus {
  outline: 2px solid #08f;
  border-radius: 1px;
}

.result a {
  text-decoration: none;
  color: #03d;
}

.result.hidden {
  display: none;
}

#results.showhidden .result.hidden {
  display: block;
}

#results.showhidden .result.hidden.filtered {
  display: none;
}

.result.filtered {
  display: none;
}

.loc {
  float: right;
  font-weight: normal;
  font-size: 0.8em;
}

.type {
  font-size: 0.8em;
}

h2 {
  margin: 0;
  font-size: 20px;
}

.name {
  font-weight: normal;
}

.content {
  margin-top: 1em;
}

.note:empty {
  display: none;
}

.note {
  background: #aef;
  padding: 1em;
  margin-top: 1em;
}

.btn {
  display: block;
  width: 100%;
  border: 1px solid;
  padding: 0.5em;
  text-decoration: initial;
  color: initial;
  font-weight: bold;
  text-align: center;
  font-size: 1.5em;
  margin: 0.5em auto;
  cursor: pointer;
  grid-column: 1/-1;
  max-width: 400px;
}

.btn.green {
  background: #0a0;
  color: white;
}

.btn.red {
  background: #a00;
  color: white;
}

form {
  max-width: 600px;
  margin: auto;
}

form label {
  display: block;
  width: 100%;
  font-weight: bold;
  margin-bottom: 0.3em;
}

form label[for=coords_bl], form label[for=coords_tr], #coords_bl, #coords_tr {
  display: inline-block;
  min-width: unset;
  width: 50%;
}

input, textarea, select {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 100%;
  margin: 0 0 1em 0;
  padding: 0.3em;
  font-family: monospace;
  font-size: 1.4em;
  background: #eee;
  border: 1px solid gray;
}

input[type=checkbox] {
  width: initial;
  display: initial;
  min-width: initial;
  margin: 0;
}

textarea {
  min-height: 8em;
}

#mapcontainer {
  grid-column: 1/-1;
  text-align: center;
  position: sticky;
  pointer-events: none;
  top: 0;
}

#mapcontainer * {
  pointer-events: all;
}

#map {
  position: relative;
  border: 1px solid black;
  background: #fff;
  max-width: 1480px;
  max-height: 50vh;
  aspect-ratio: 37 / 18;
  margin: 0 auto;
}

#mapnote {
  min-height: 1.95em;
  font-style: italic;
  margin: 0;
  padding: 0.5em;
  display: inline-block;
  background: #fff;
  border: 1px solid;
  border-top: none;
}

#mapnote:empty {
  background: none;
  border: none;
}

#map img {
  width: 100%;
  max-height: 100%;
  max-width: 100%;
  display: block;
}

form #map {
  margin: 0.3em 0 1em 0;
}

#mapgrid {
  position: absolute;
  pointer-events: none;
  outline: 2px solid #f00;
  background: #ff08;
}

#mapgrid:not([style]) {
  outline: none;
}

#grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 1em;
}

@media only screen and (max-width: 500px) {
  #grid {
    grid-template-columns: none;
  }
}

#grid #results {
  display: contents;
}

#grid #searchcontainer {
  grid-column: 1/-1;
  width: calc(min(600px, 100%));
  max-width: 100%;
  text-align: center;
  margin: auto;
}