*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #f1f5f8;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
}

.container{
  display: flex;
  flex-direction: column;
  align-items: center;
}

h1 {
  font-size: 50px;
  font-weight: bold;
}

.message{
  color: rgb(160, 13, 13);
  font-size: 20px;
  font-weight: bold;
}

.counter {
  display: flex;
  align-items: center;
}

.box{
  width: 500px;
  height: 250px;
  color: #102d49;
  font-size: 75px;
  font-weight: bold;
  margin: 20px;
  text-align: center;
  line-height: 250px;
}

.btn{
  width: 75px;
  height: 75px;
}