ul {
  left: 50%;
  padding-inline-start: 0;
  height: 256px;
  width: calc((100dvw / 30) * 14);
  margin: 0;
  position: relative;
  border-radius: 1em;
  transform: translateX(-50%);
}

li {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  list-style: none;
  position: relative;
  float: left;
}

.no-select {
  user-select: none;
}

button {
  background-color: rgb(161, 15, 15);
  border-radius: 5px;
  border: none;
  color: white;
  padding: 1em 1.5em;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  cursor: pointer;
}

table {
  margin: 15px 0;
}

tr {
  display: block;
  float: left;
}

th,
td {
  display: block;
  padding: 7px;
}

table,
h2 {
  color: #eee;
}

button:hover {
  background-color: rgb(173, 38, 38);
}

button:active {
  background-color: rgb(107, 10, 10);
}

button:disabled {
  background-color: rgb(80, 8, 8);
  cursor: not-allowed;
}

select {
  background-color: #141414;
  border-radius: 5px;
  border: #333 solid 0.1px;
  color: white;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
}

#selection-container,
#output-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

#actions-container {
  display: flex;
  flex-direction: row;
  gap: 20px;
  justify-content: center;
  margin: 20px 0;
}

h2 {
  margin-bottom: 0;
}