body, html {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: Arial, sans-serif;
}

body {
  background-color: #3a36db;
  overflow: auto;
}

.header {
  width: 100%;
  text-align: center;
  background-color: #3a36db;
  color: white;
  padding: 5px 0;
  box-sizing: border-box;
}

.cards-container {
  background-color: #F5F5F5;
  display: grid;
  grid-template-columns: 1fr; 
  gap: 30px;
  padding: 30px;
  overflow: auto;
  margin: 20px auto; /* top and bottom <space> left and right */
  width: 75%;
  height: calc(100vh - 110px); /* -x px to remove need for 2nd scrollbar */
  box-sizing: border-box;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

@media (min-width: 600px) {  /* For larger screens */
  .cards-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

.card {
  background-color: #f9f9f9;
  border-radius: 5px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1); 
}

.card img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.card p {
  padding: 10px;
  margin: 0;
  width: 100%;
  box-sizing: border-box;
  text-align: center;
  background-color: #fffff;
  border-top: 1px solid #eee;
}