:root {
  --arcade-font: sans-serif;
}

body {
    padding: 0;
    background: #993f70;
    color: #eee;
    text-align: center;
    margin-top: 2em;
    font-family: sans;
}

#game {
    margin: auto;
    width: 720px;
    height: 640px;
    position: relative;
    display: block;
    border: 2px solid black;
  }

#ui-layer { z-index: 3; position: absolute; top: 0px; left: 0px;}
#slow-layer { z-index: 2; position: absolute; top: 0px; left: 0px;}
#game-layer { z-index: 1; position: absolute; top: 0px; left: 0px;}

@media only screen and (min-width: 1000px) {
  #main_content {
    margin: 0 20%;
  }
}

#swap_button {
  background-color: black;
  color: white;
  height: 8em;
  width: 640px;
  border-radius: 10px;
  padding: 1em;
  margin: auto auto 0.5em auto;
  font-size: x-large;
  font-weight: 2;
  text-align: center;
}

#help_text {
  padding-bottom: 0.5em;
  margin: 0 auto;
}