html, body {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  position: fixed;
  touch-action: none;
  overscroll-behavior: none;
  -webkit-overflow-scrolling: none;
  background: -webkit-linear-gradient(to bottom, #f4791f, #659999) fixed;
  background: linear-gradient(to bottom, #f4791f, #659999) fixed;
}

.building {
  position: absolute;
  box-shadow: 5px 5px 5px;
  overflow: hidden;
  will-change: left;
}

.windows {
  position: absolute;
  border: 1px solid grey;
  border-style: inset;
  height: 5%;
  width: 13%;
}

@keyframes turnoff {
  0%   { background-color: white; }
  100% { background-color: black; }
}

#row1 {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  overflow: hidden;
  pointer-events: none;
}

#row2 {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
}

.contact {
  overflow: hidden;
  position: fixed;
  bottom: 15px;
  left: 12px;
  z-index: 10;
}