* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  background-color: #f5f5f5;
  color: #000000;
  padding: 20px;
  font-family: "Fira Mono", monospace;
}

@font-face {
  font-family: "Fira Mono";
  font-display: swap;
  src:
    url("../FiraMono-Regular.woff2") format("woff2"),
    url("../FiraMono-Regular.woff") format("woff"),
    url("../FiraMono-Regular.ttf") format("truetype");
}

nav {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin-bottom: 20px;
}

h1 {
  text-align: center;
  font-size: 2.5rem;
}

#numbers {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
}

#numbers > div {
  display: flex;
  flex-direction: row;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
}

.number_card {
  flex-grow: 1;
  min-width: 300px;
  max-width: 400px;
  height: 200px;
  background-color: #ffffff;
  border-radius: 5px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.number_tot_card {
  height: 40vw;
  flex-grow: 1;
  min-width: 75vw;
}