body {
  font-family: Arial, sans-serif;
  background-color: #f5f5f5;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  padding: 10px;
}

.container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto;
  gap: 20px;
  max-width: 1200px;
}

.testimonial {
  padding: 20px;
  border-radius: 10px;
  color: white;
  display: flex;
  flex-direction: column;
  box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.1);
}

.image img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
}

.author {
  margin: 10px 0;
  font-size: 1.2rem;
}

.quote {
  font-style: italic;
  font-size: 1.1rem;
  font-weight: bold;
}

.description {
  font-size: 1rem;
  opacity: 0.9;
}

/* Color themes and grid positioning */
.dark-blue {
  background-color: #733fc8;
  grid-column: span 2;
  grid-row: 1;
  position: relative;
}

.dark-blue::before {
  content: "\201C";
  position: absolute;
  top: 10px;
  right: 20px;
  font-size: 100px;
  color: rgba(255, 255, 255, 0.2);
  font-family: serif;
}

.light {
  background-color: #48556a;
  grid-column: span 1;
  grid-row: auto;
  color: white;
}

.black {
  background-color: #19202d;
  grid-column: span 2;
  grid-row: 2;
}

.white {
  background-color: #ffffff;
  color: black;
  grid-column: span 1;
  grid-row: 2;
  box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.1);
}

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