@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap");

* {
  box-sizing: border-box;
}

body {
  background-color: #f5f5f5;
  font-family: "Roboto", sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
}

#canvas {
  border: 2px solid gray;
}

.toolBox {
  width: 804px;
  background-color: gray;
  padding: 1rem;
  display: flex;
}

.toolBox > * {
  background-color: #fff;
  border: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  height: 30px;
  width: 30px;
  margin: 0.25rem;
  cursor: pointer;
}

.toolBox > :last-child {
  margin-left: auto;
}