style.css

:root {
  --chicken-yellow: rgba(250, 252, 209, 0.8);
  --yellow: #ffeead;
  --light-green: rgba(218, 255, 211, 0.5);
  --light-blue: #9bf6ff;
  --blue: #3d58d1;
}
body {
  margin: 0;
  display: grid;
  grid-template-rows: auto 6fr 1fr;
  width: 100vw;
  font-family: 'Comfortaa', cursive;
}
/* Header */
header {
  display: grid;
  grid-template-areas:
    'logo button'
    'heading heading';
  background: var(--blue);
  font-family: 'Permanent Marker', cursive;
}

#logo img {
  grid-area: logo;
  height: 8vw;
}
#parag {
  width: 100vw;
  grid-area: heading;
}

#parag > h1 {
  font-size: 3rem;
  font-style: italic;
  text-align: center;
}

#menu_button {
  margin: 0.5rem 0.5rem;
  background-color: var(--chicken-yellow);
  padding: 0 1vw 0 1vw;
  border-radius: 5px;
}
#menu_button > div {
  width: 35px;
  height: 5px;
  background-color: black;
  margin: 6px 0;
}
/* Content */
main {
  margin: 1vw;
  display: grid;
  grid-template-rows: auto auto;
}

.frist {
  display: flex;
  height: 65vh;
}
article > p,
h2 {
  text-align: justify;
  text-indent: 4vw;
  padding: 0 5vw 0 5vw;
}

/* Images */
#large_img {
  position: relative;
  display: grid;
  grid-gap: 1vw;
  color: #ffeead;
  margin: 0;
  align-items: end;
}

#large_img > img {
  object-fit: cover;
  width: 100%;
  height: 100%;
}

.small_images > div {
  display: flex;
  align-items: end;
}
.price {
  z-index: 2;
  position: absolute;
  font-size: 1rem;
  background: var(--chicken-yellow);
  border-radius: 0.5em;
  padding: 0.4vw;
  color: black;
  margin-left: 0.4vw;
}

.small_images > div > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.small_images {
  display: grid;
  grid-gap: 1vw;
  grid-template-columns: repeat(4, minmax(200px, 1fr));
  grid-template-rows: 40vh;
}
/* Advertisement */
.ad {
  margin-top: 1vw;
  display: flex;
  flex-direction: row-reverse;
  height: fit-content;
  gap: 1vw;
  background: #ffeead;
  width: 98vw;
  padding-right: 1vw;
}
.ad img {
  height: 20vh;
}
.ad p {
  text-align: justify;
  text-indent: 1vw;
}

/* Footer */
footer {
  padding-left: 5vw;
  padding-right: 5vw;
  display: flex;
  gap: 3vw;
  justify-content: center;
  background: var(--blue);
}
footer div > h3 {
  font-family: 'Permanent Marker', cursive;
  color: white;
}

footer div p > a {
  line-height: 2vw;
  color: white;
}
#contact_section {
  text-align: right;
}
@media (max-width: 400px) {
  #parag h1 {
    font-size: 2rem;
  }
  #logo img {
    height: 10vh;
  }
  #large_img {
    display: none;
  }
  .frist {
    position: absolute;
  }
  footer {
    position: relative;
    top: 33vh;
  }

  .small_images {
    position: relative;
    top: 100vh;
    display: grid;
    grid-gap: 1vw;
    grid-template-columns: repeat(2, minmax(200px, 1fr));
    grid-template-rows: repeat(2, 40vh);
  }

  .small_images > img {
    width: 2vw;
  }
  .ad {
    display: none;
  }
}

@media (max-width: 800px) {
  .frist {
    flex-direction: column;
  }

  #large_img {
    display: none;
  }

  .small_images {
    display: grid;
    grid-gap: 1vw;
    grid-template-columns: repeat(2, minmax(200px, 1fr));
    grid-template-rows: repeat(2, 40vh);
  }

  .small_images > img {
    width: 10vw;
  }
  .ad {
    display: none;
  }
}