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

body {
  font-family: Arial, Helvetica, sans-serif;
}

.big-img {
  width: 100%;
  display: block;
}

.small-img {
  display: none;
  width: 100%;
}

.add-relative {
  position: relative;
}

.full-img {
  width: 100%;
  border-radius: 20px;
  background-color: #999;
}

@media (max-width: 768px) {
  .small-img {
    display: block;
  }

  .big-img {
    display: none;
  }
}

.primary-heading {
  font-size: 2.4rem;
  font-weight: 600;
}

.secondary-heading {
  font-size: 1.8rem;
  font-weight: 600;
}

.tertiary-heading {
  font-size: 1.4rem;
}

.basic-text {
  font-size: 1.1rem;
}

.grid1 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  width: 90%;
  margin: 3rem auto;
  gap: 2rem;
  align-items: center;
}

@media (max-width: 768px) {
  .grid1 {
    grid-template-columns: 1fr;
  }

  .mv1 {
    grid-row: 1/2;
  }

  .mv2 {
    grid-row: 5/6;
  }

  .mv3 {
    grid-row: 9/10;
  }
}