html {
  font-size: 1.5rem;
  font-family: Arial, sans-serif;
  background-color: #f5f5f5;
  color: #0049e6;
}
body {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  width: 98vw;
  margin-left: 1vw;
  margin-right: 1vw;
  height: 98vh;
  margin-top: 1vh;
  margin-bottom: 1vh;
}
h1 {
  margin-top: 0.2rem;
  margin-bottom: 0.2rem;
  font-size: 1.2rem;
}
a {
  color: #0049e6;
  text-decoration: none;
  cursor: pointer;
}
div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: calc(100% - 4rem);
  width: 100%;
}
button {
  font-family: Arial, sans-serif;
  border-color: #0049e6;
  background-color: inherit;
  color: inherit;
  border-radius: 0;
  cursor: pointer;
}
img {
  width: 90%;
  height: 90%;
  margin: auto 0.5rem;
  object-fit: contain;
}
.hidden {
  display: none;
}