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

body {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 5vmin;
  line-height: 2.2;
}
img {
  max-width: 100%;
}
footer,
header {
  text-align: center;
  flex-grow: 0;
}
#flexMain {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  flex-direction: column;
}
main {
  flex-grow: 1;
  width: 100%;
  max-width: 1000px;
  padding: 15px;
}

#userButtons {
  text-align: center;
  margin: 20px 0;
}
button {
  padding: 10px;
  font-size: unset;
  border: solid 3px black;
  border-radius: 15px;
}
button:hover {
  background-color: gray;
  transition: 0.2s;
}
button:active {
  filter: grayscale(1);
  background-color: black;
  color: white;
  transition: 0.2s;
}
#ranking,
#resultContainer {
  text-align: center;
  background-color: rgb(0, 0, 127);
  box-shadow: inset 0 0 20px white;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.447);
  color: white;
  border-radius: 25px;
}
/* RESPONSIVE */
@media only screen and (max-width: 600px) {
  .displayOnMobile {
    display: block;
  }
  .displayOnDesktop {
    display: none;
  }
}
@media only screen and (min-width: 600px) {
  .displayOnMobile {
    display: none;
  }
  .displayOnDesktop {
    display: block;
  }
}