#pauseMenu {
  position: absolute;
  z-index: 10;

  width: 100%;
  height: 100%;

  background-color: #00000022;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-evenly;
}
#pauseMenu .btn {
  width: 50%;
  height: 50px;
}

#buyMenu {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
}

.sideMenu {
  overflow-x: hidden;
  transition: 100ms;
  z-index: 10;
  position: absolute;
  top: 0;
  left: 0;

  width: 120px;
  height: 100%;

  background-color: #000000a4;
  border-right: 1px gray solid;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-around;
}

.hidden {
  transition: 100ms;
  left: -121px;
}

#hud {
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 100;
}

#hud button {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  margin: 5px;
}

#pause {
  position: absolute;
  padding: 8px;
  margin: 10px;
  width: auto;
  height: auto;
  top: 0;
  right: 0;
}

#upgradeMenu ul {
  padding: 0;
  padding-left: 5px;
  margin: 0;
  list-style-type: none;
}

.btnCloseMenu {
  position: absolute;
  height: 30px;
  width: 30px;
  top: 0;
  right: 0;
}

#golds {
  padding-top: 10px;
  display: flex;
  flex-direction: row;
  justify-content: center;
  position: absolute;
  height: 20px;
  width: 100px;
  margin: 0;
  font-size: 20px;
  left: calc(50% - 50px);
}