* {
  margin: 0;
  padding: 0;
}
body{
  font-family: serif;
  overflow: hidden;
}
.box {
  border: 1px solid black;
  text-align: center;
  justify-content: center;
  margin: 50px;
  padding: 20px;
  background-color: hsla(0, 77%, 53%, 1);
  color: #fff;
  border-radius: 30px;
  width: 70%;
  height: 250px;
  margin-top: 170px;
  font-family: serif;
  h3{
    font-size: 1.2em;
    font-weight: bold;
  }
  rt, rp{
    font-size: 1em;
  }
  .counter{
    border: none;
    border-radius: 5px;
    width: 100%;
    padding: 5px;
    font-weight: bold;
    height: 19px;
    color: #000;
    background-color: #fff;
    text-align: center;
    font-family: serif;
    font-size: 1.8em;
  }
  .reset, .decrement {
    border: none;
    background-color: silver;
    border-radius: 50px;
    width: 50px;
    height: 50px;
    margin: 10px;
    color: #fff;
    font-size: 1.9em;
    transition: .5s ease;
  }
  .increment{
    border: none;
    background-color: silver;
    border-radius: 50px;
    width: 60px;
    height: 60px;
    margin: 10px;
    font-size: 1.5em;
    color: #fff;
    transition: .8s ease;
  }
  button:active{
    transform: scale(.7);
  }
}