style.css

:root {
  --darkcyan: hsl(158, 36%, 37%);
  --cream: hsl(30, 38%, 92%);
  --veryDarkBlue: hsl(212, 21%, 14%);
  --darkGrayishBlue: hsl(228, 12%, 48%);
  --white: hsl(0, 0%, 100%);
}
* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
body {
  font-family: "Montserrat", sans-serif;
  /* font-family: "Fraunces", system-ui; */
  background-color: var(--cream);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}
main {
  max-width: 600px;
  overflow: hidden;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-radius: 10px;
  margin: 1rem;
}
img, picture {
  display: block;
  max-width: 100%; /* 600px / 2 = 300px*/
}
.content {
  background-color: var(--white);
  padding: 2rem;
}
.perfume {
  color: var(--darkGrayishBlue);
  font-size: 12px;
  letter-spacing: 4px;
  text-transform: uppercase;
  font-weight: 500;
}
h1 {
  font-family: "Fraunces", system-ui;
  font-size: 32px;
  margin-top: 20px;
  margin-bottom: 20px;
  color: var(--veryDarkBlue);
  line-height: 1;
}
.description {
  color: var(--darkGrayishBlue);
  line-height: 1.6;
  margin-bottom: 25px;
  text-wrap: wrap;
  font-size: 14px;
}
.price {
  display: flex;
  align-items: center;
  margin-top: 20px;
  margin-bottom: 20px;
}
.price .discount-price {
  font-family: "Fraunces", system-ui;
  font-size: 30px;
  color: var(--darkcyan);
  font-weight: bold;
  margin-right: 15px;
}
.price .original-price {
  color: var(--darkGrayishBlue);
  font-size: 12px;
  font-weight: 500;
}
.cart {
  width: 100%;
  border: none;
  outline: none;
  background-color: var(--darkcyan);
  color: var(--white);
  border-radius: 10px;
  padding: 15px;
  text-align: center;
  cursor: pointer;
  font-weight: 700;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: "Montserrat", sans-serif;
}
.cart::before {
  content: url(images/icon-cart.svg);
  width: 15px;
  height: 15px;
  margin-right: 10px;
}
.cart:hover {
  transition: 0.3s;
  background-color: hsl(158, 57%, 21%);
}

@media (max-width: 700px) {
  main {
    grid-template-columns: 1fr;
  }
}