:root {
  --darkred: darkred;
  --darkgreen: #196e0a;
  --gray: #292929;
  --white: white;
  --black: black;
  --red: red;
  --yellow: #bbbb11;
  --green: #1fd51f;
}
ul {
  list-style-position: inside;
}
body {
  font-size: 2rem;
}
html, body {
  margin: 0;
  padding: 0;
}
@media screen and (max-width: 1000px) {
  body {
    font-size: 3rem;
  }
}
.background {
  background-color: var(--gray);
  color: var(--white);
  font-family: Arial, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  overflow: scroll;
}
.column {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.box {
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  text-align: center;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
  width: 80%;
  max-width: 800px;
  box-sizing: border-box;
}
.wide {
  width: 100%;
  max-width: 1000px;
}
.button {
  cursor: pointer;
}
.button:hover {
  filter: brightness(1.2);
}
.elem-background {
  background-color: var(--darkgreen);
}
.error-background {
  background-color: var(--darkred);
}
.highlight-background {
  background-color: var(--green);
}
.cancel-background {
  background-color: var(--red);
}
.change-background {
  background-color: var(--yellow);
}