div:focus {
  border: none;
  outline: 0;
}

table {
  border-collapse: collapse;
  margin: 0 auto;
}

tr td {
  height: 10px;
  min-width: 10px;
}

.boss {
  background-color: black;
}

.button {
  background-color: #4CAF50;
  border-radius: 5pt;
  border: none;
  color: white;
  padding: 15px;
  text-align: center;
  font-size: 16px;
}
.button:focus {
  border: none;
  outline: 0;
  text-decoration: none;
}

.center {
  text-align: center;
}

.dark {
  background-color: black;
}

.flex-container {
  align-items: center;
  display: flex;
  justify-content: center;
}

.floor {
  background-color: white;
}

.health {
  background-color: blue;
}

.monster {
  background-color: red;
}

.next {
  background-color: purple;
}

.player {
  background-color: orange;
}

.popup {
  background: rgba(0, 0, 0, 0.5);
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
  width: 100%;
  height: 100%;
}

.popup-inner {
  background: white;
  padding: 20px;
  position: fixed;
  left: 25%;
  right: 25%;
  top: 25%;
}

.prop {
  min-width: 190px;
}

.subhead {
  font-size: 16px;
}

.title {
  font-size: 24px;
}

.wall {
  background-color: #702918;
  background-image: url("https://www.transparenttextures.com/patterns/white-brick-wall.png");
}

.weapon {
  background-color: green;
}

#app {
  font-family: 'Oldenburg', sans-serif;
  padding: 20px 0px;
}