table{
  border-style: solid;
  border-color: black;
  border-width: 5px;
  border-radius: 5px;
  background-color: silver;
}
#subBtn{
  border-style: solid;
  border-color: black;
  border-width: 2px;
  border-radius: 5px;
}
#taxBtn{
  border-style: solid;
  border-color: black;
  border-width: 2px;
  border-radius: 5px;
}
#gtotalBtn{
  border-style: solid;
  border-color: black;
  border-width: 2px;
  border-radius: 5px;
}

label {
  text-align: left;
  font-size: 17px;
}

#quantity {
  margin-left: -5px;
}

h2 {
  font-size: 30px;
}


#article {
  padding: 5% 10% 1%;
}