#layout {
  background: white;
  display: inline-block;
  transform-origin: top center;
  position: relative;
  font-size: 14px;
  padding: 5px 5px 10px 5px;
  text-align: center;
}

#menu {
  width: 100%;
}

#btnHamburger {
  float: left;
}

#btnStart {
  float: right;
}

div#status {
  clear: both;
  width: 100%;
  text-align: center;
}

div#playerWaiting {
  position: absolute;
  left: 0px;
  text-align: center;
  font-size: 24px;
  width: 100%;
  margin-top: 10px;
  animation-name: headBob;
  animation-duration: 3s;
  animation-iteration-count: infinite;
  animation-timing-function: linear;
}
@keyframes headBob {
  0% {
    left: 0px;
  }
  25% {
    left: 20px;
  }
  75% {
    left: -20px;
  }
  100% {
    left: 0px;
  }
}

div#drops {
  padding: 2px;
}
div#drops .drop {
  display: inline-block;
  background-image: linear-gradient(lightgray, darkgray);
  border: solid gray 1px;
  border-radius: 5px;
  width: 33px;
  margin: 2px;
  text-align: center;
  vertical-align: top;
}
div#drops .drop:hover {
  background-image: linear-gradient(lightgray, darkgray, darkgray);
}
div#drops .drop:active {
  background: gray;
}
div#drops .dropping {
  width: 100%;
  margin-top: 2px;
  margin-bottom: 10px;
  animation-name: drop;
  animation-duration: 1s;
  animation-iteration-count: infinite;
  animation-timing-function: linear;
}
@keyframes drop {
  0% {
    margin-top: 2px;
    margin-bottom: 10px;
  }
  100% {
    margin-top: 10px;
    margin-bottom: 2px;
  }
}


table#grid {
  border: solid black 2px;
  background: yellow;
  border-spacing: 0;
}
table#grid td {
  border: solid orange 1px;
  text-align: center;
  width: 40px;
  height: 40px;
}