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

body{
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 450px;
  background: #ADD8E6;
  margin: auto;
}

header{
  text-align: center;
  color: #000;
  padding: 20px;

}

section{
  background: #fff;
  border-radius: 15px;
  padding: 20px;
  width: 400px;
  margin: auto;
  box-shadow: 5px 5px 10px rgba(0,0,0,0.7);
}

div{
  padding: 10px;
}

input[type='number']{
  width: 100px;
  text-align: center;
  padding: 8px;
}

.buttons{
  display: flex;
}

.count{
  width: 200px;
  background-color: #ADD8E6;
  border-radius: 10px;
  color: #000;
  font-size: 12pt;
  font-weight: 600;
  padding: 10px;
  margin: 10px;
  margin-top: 15px;
  border: none;
  cursor: pointer;
}

.reset{
  width: 200px;
  background-color: #D3D3D3 ;
  border-radius: 10px;
  color: #000;
  font-size: 12pt;
  font-weight: 600;
  padding: 10px;
  margin:10px;
  margin-top: 15px;
  border: none;
  cursor: pointer;
}

div#res{
  text-align: center;
}

footer{
  margin-top: 20px;
  color: #000;
  text-align: center;
  font-style: italic;
}