body {
  margin: 40px;
}

#result{
  background-color: cadetblue;
  padding: 2px;
}
.result{
  margin-top:10px;
}
.header{
    background-color: cornsilk;
    text-align: center;
    padding: 10px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
font-weight:bolder;
}

button{
  
}
.container{
  margin: 10px;
  border: 3px solid black;
  border-radius: 3px;
  padding: 10px;
}
.content{
  margin-top: 30px;
  text-align: center;
}


.article{
  padding: 4% 20% 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}