1.css

#actions {
  font-family: sans-serif;
  list-style-type: none;
  padding: 0;
}

#actions > li {
  padding-top: 1em;
}

#actions > li > a {
  text-decoration: none;
}

.card {
  border-color: orange;
  border-radius: 5%;
  border-style: solid;
  border-width: 4px;
  margin: 1em;
  overflow: hidden;
}

.card > img,
img.card {
  height: 370px;
  width: 265px;
}

.dfc {
  display: inline-flex;
  flex-direction: row;
}

#drawing {
  display: none;
}

#drawing > div {
  align-items: center;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
}

#drawing img {
  cursor: pointer;
}

#error-banner {
  background-color: red;
  box-sizing: border-box;
  display: none;
  padding: 1em;
  word-break: break-all;
}

#error-banner > h2 {
  font-family: sans-serif;
  font-size: 2em;
  font-weight: bold;
  margin: 0;
}

h1 {
  font-family: sans-serif;
  text-align: center;
}