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

body {
  background-color: goldenrod;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  padding: 40px;
  text-align: center;
  background-color: aliceblue;
  border: 10px solid darkgoldenrod;
  border-radius: 35vh;
}

.container h1 {
  font-size: 44px;
  letter-spacing: 2px;
  margin: 15px 0px;
}

.btn button {
  width: 80px;
  height: 20px;
  border-radius: 15px;
  font-size: 20px;
  font-weight: 700;
  height: 36px;
  text-align: center;
  border: none;
  outline: none;
  transition: 0.5s ease-in;
  margin: 10px 15px;
  background-color: white;
  border: 2px solid black;
}

img {
  width: 400px;
  margin-bottom: 20px;
}

#off {
  background-color: red;
  border: 2px solid black;
  color: white;
}

@media screen and (max-width:498px) {
  .container {
    padding: 0px;
    border-radius: 0px;
  }

  img {
    width: 330px;
  }
}

@media screen and (max-width:350px) {
  body {
    margin-top: 2vh;
    min-height: 0vh;
  }

  .container {
    margin-top: 5vh;
  }

  img {
    width: 300px;
  }
}