index.css

body {
  background-color: rgb(206, 206, 206);
}
#header {
  line-height: 1%;
  font-size: xx-large;
  font-weight: bolder;
}

.head-description {
  line-height: 0.55;
  font-size: large;
  font-weight: bold;
}
h2 {
  line-height: 0.15;
  font-size: larg;
  font-weight: 900;
}
article {
  margin-top: 1%;
  margin-left: 0%;
  margin-right: 70%;
  margin-bottom: 2%;
  border-radius: 2%;
  border-bottom: 0;
  border-left: 0;
  border-right: 0;
  border-top: 0;
  padding-left: 1%;
  padding-top: 1%;
  padding-right: 1%;
  padding-bottom: 0%;
  background-color: rgb(255, 255, 255);
  width: 100mm;
  height: 65mm;
}
.description {
  font-size: large;
  font-weight: 500;
  margin-bottom: 1%;
}
.number {
  margin-top: 0;
  margin-bottom: 1%;
  font-size: xx-large;
  color: #228b22;
  font-weight: bold;
}
.discount {
  font-size: small;
  color: grey;
  font-weight: 100;
}
button {
  margin-top: 0%;
  margin-right: 0%;
  margin-left: 0%;
  margin-bottom: 0%;
  border-radius: 2%;
  border-right: 0;
  border-top: 0;
  border-bottom: 0;
  border-left: 0;
  padding-left: 0%;
  padding-right: 5mm;
  padding-top: 0%;
  padding-bottom: 0%;
  background-color: #228b22;
  color: white;
  width: 100mm;
  height: 10mm;
}