body, html {
  font-family: sans-serif;
  height: 100vh;
  margin: 0px;
}

div.add-button {
  background-color: #31363B;
  cursor: pointer;
  font-size: 1.3rem;
  text-align: center;
  width: 1.6rem;
}

div.add-button:hover {
  background-color: #212128;
}

div.canvas {
  border: 1px solid #212128;
  height: 100%;
  width: 100%;
}

div.modal {
  position: absolute;
  background-color: #f1f1f1;
  border: 1px solid #d3d3d3;
  resize: both;
  overflow: auto;
  text-align: center;
  height: 15rem;
  width: 10rem;
}

div.modal-header {
  color: #d3d3d3;
  cursor: move;
  background-color: #212128;
}

div.site {
  display: flex;
  flex-direction: column;
  font-size: 1.1rem;
  gap: 0px;
  height: 100%;
}

div.site-footer {
  background-color: #212128;
  color: #E1E1E1;
  padding: 5px;
  z-index: 2;
}

div.site-header {
  background-color: #212128;
  color: #E1E1E1;
  display: flex;
  flex-direction: row;
  font-weight: bolder;
  padding: 5px;
  z-index: 2;
}

div.site-main {
 flex-grow: 1;
 padding: 5px;
}

div.site-title {
  flex-grow: 1;
  margin: auto;
}