#main{
    display: flex;
    width: 68rem;
    height:40rem;
    justify-content: center;
    align-items: center;
}
.cal-container{
    width: 50rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, auto);
    gap: 1rem;


}
.cal-item{
    width:10rem;
    width:12.2rem;
    position: relative;
}
.cal-item img{
    width:10rem;
}
.cal-item .fill-in{
    position: absolute;
    top:3.7rem;
    left: 0.7rem;
}

.fill-in {
    width: 6.5rem;
    height: 5rem;
    padding: 0 0.5rem;
    font-size: 1.2rem;
    border: 0.2rem solid #F9B002;
    border-radius: 1.5rem;
    text-align: center;
    background-color: rgba(255, 255, 255, 0.7);
    transition: all 0.2s ease;
    display: inline-block;
    vertical-align: middle;
    margin: 0 0.3rem;
    font-size: 5.5rem;
  }
  
  .fill-in:focus {
    outline: none;
    border-color: #00699f;
    box-shadow: 0 0 0.3rem rgba(52, 152, 219, 0.5);
    background-color: rgba(255, 255, 255, 0.9);
  }
  
  /* Visual feedback for correct/incorrect answers */
  .fill-in.correct {
    background-color: rgba(37, 129, 116, 0.1);
    border-color: #258174;
  }
  
  .fill-in.incorrect {
    background-color: rgba(255, 0, 0, 0.1);
    border-color: #ff0000;
  }