* {
  padding: 0;
  margin: 0;
  font-family: sans-serif, arial;
}

body {
  background-color: grey;
}

#title {
  text-align: center;
  padding: 5px;
  background-color: red;
  color: white;
}

#color-palette {
  padding: 8px 5px 5px;
  text-align: center;
  background-color: rgb(0, 180, 0);
  user-select: none;
}

.color {
  display: inline-block;
  border: black solid 1px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  border-radius: 50%;
}

.color:nth-child( 1 ) {
  background-color: black;
}

.color:nth-child( 2 ) {
  background-color: red;
}

.color:nth-child( 3 ) {
  background-color: green;
}

.color:nth-child( 4 ) {
  background-color: blue;
}

.selected {
  border-radius: 0;
}

#board-options {
  padding: 5px;
  text-align: center;
  background-color: blue;
}

#board-size {
  padding: 4px 8px;
  margin: 0 5px;
  border: 2px solid white;
  outline-style: none;
  border-radius: 10px;
}

#board-size:focus {
  border-color: black;
}

.button {
  font-family: sans-serif, arial;
  font-weight: 900;
  padding: 5px 10px;
  margin: 5px;
  cursor: pointer;
  border-radius: 10px;
  border: none;
  box-shadow: 1px 1px 1px 1px rgba(0, 0, 0, 0.8);
  transition: box-shadow 100ms linear, transform 100ms linear;
  user-select: none;
}

.button:active {
  box-shadow: inset 1px 1px 1px 1px rgba(0, 0, 0, 0.8);
  transform: translate(1px, 1px);
}

#generate-board {
  background-color: rgb(0, 255, 85);
}

#generate-board:hover {
  background-color: rgb(0, 200, 60);
}

#clear-board {
  background-color: red;
  color: white;
}

#clear-board:hover {
  background-color: rgb(210, 0, 0);
}

.eraser {
  background-color: white;
}

.eraser:hover {
  background-color: rgb(200, 200, 200);
}

.eraserActive {
  background-color: rgb(200, 200, 200);
  box-shadow: inset 1px 1px 1px 1px rgba(0, 0, 0, 0.8);
  transform: translate(1px, 1px);
}

#pixel-board {
  line-height: 0;
  border: black solid 1px;
  width: max-content;
  margin: 20px auto;
  user-select: none;
}

.pixel {
  display: inline-block;
  background-color: white;
  border: black solid 1px;
  width: 40px;
  height: 40px;
  cursor: pointer;
}