@import url("https://fonts.googleapis.com/css2?family=Roboto&display=swap");
* {
  margin: 0px;
  padding: 0px;
  font-family: "Roboto", sans-serif;
}
body {
  background-color: aliceblue;
}
h1 {
  color: #1c1b1b;
  background: orange;
  text-align: center;
  padding: 10px;
}
navbar{
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  background: orange;
  padding: 10px;
}

.input {
  display: flex;
  align-items: center;
  justify-content: center;
}
#speed {
  margin: 10px 5px;
}
#size {
  margin: 10px 5px;
}

.btn {
  padding: 10px 15px;
  background: black;
  color: white;
  border-radius: 15px;
}
.btn:hover {
  color: black;
  background-color: white;
  cursor: pointer;
}
#bars {
  display: flex;
  margin: 20px;
}
.bar {
  background: blue;
  width: 10px;
  border: 1px solid rgb(94, 94, 94);
}

@media screen and (max-width: 500px) {
  navbar{
    flex-direction: column;
  }

  .btn {
    margin: 2px;
  }
}