body {
  margin: 0;
  padding: 0;
  background-color: #c4d2d9;
}
#canvas {
  display: block;
  margin: 0 auto;
  border: 1px solid #000;
  background-color: #fff;
}
#tools {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px;
  margin-top: 10px;
  background-color: #fff;
  box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.2);
}
#color-picker {
  width: 50px;
  height: 30px;
  border: none;
}
#size-slider {
  width: 100px;
}
#save-button {
  padding: 10px 15px;
  background-color: #0070c0;
  border: none;
  color: #fff;
  border-radius: 5px;
  cursor: pointer;
}
#save-button:hover {
  background-color: #00579c;
}

#eraseButton {
  padding: 5px 10px;
  background-color: #0c324e;
  border: none;
  color: #fff;
  border-radius: 5px;
  cursor: pointer;
}

#eraseButton:hover {
  opacity: 0.8;
}

#clearButton {
  padding: 5px 10px;
  background-color: #f55e34;
  border: none;
  color: #fff;
  border-radius: 5px;
  cursor: pointer;
}
#clearButton:hover {
  opacity: 0.8;
}

@media screen and (max-width: 750px) {
  #canvas {
    display: block;
    height: 90vh;
    width: 90vw;

    margin: 0 auto;
    border: 1px solid #000;
    background-color: #fff;
  }
}