.three-col-container {
  display: flex;
  justify-content: space-between;
  gap: 20px; 
  margin: 1rem;
}

.three-col-block {
  flex: 1;
  padding: 20px;
  background-color: #f0f0f0;
  border: 1px solid #ccc;
  transition: transform 0.1s linear; 
  position: relative; 
  will-change: transform; /* Optional performance hint */
}