body {
  font-family: Helvetica;
}

.body{
  background: #fff;
  border-radius: 4px;
  padding: 70px;
  font-size: 25px;
  transition: all 0.2s;
  margin: 0 auto;
  width: 70%;
}

.header {
  
  text-align: center;
  
}



button {
  background: #0084ff;
  border: none;
  border-radius: 5px;
  padding: 8px 14px;
  font-size: 25px;
  color: #fff;
  display: block;
  margin: auto;
}

span {
    font-weight: 700;
}

@media only screen and (max-width: 600px) {
  body {
    width: 100%;
  }
}