.flip-box {
            width: 60px;
            height: 60px;
            cursor: pointer;
        }
        
        .flip-content {
            width: 100%;
            height: 100%;
            position: relative;
            transform-style: preserve-3d;
            transition: transform 0.6s ease;
        }
        
        .flip-box:hover .flip-content {
            animation: flipTwice 2.4s ease-in-out;
        }
        
        @keyframes flipTwice {
            0% {
                transform: rotateY(0deg);
            }
            25% {
                transform: rotateY(180deg);
            }
            50% {
                transform: rotateY(0deg);
            }
            75% {
                transform: rotateY(180deg);
            }
            100% {
                transform: rotateY(0deg);
            }
        }
        
        .flip-front, .flip-back {
            position: absolute;
            width: 100%;
            height: 100%;
            backface-visibility: hidden;
            border-radius: 10px;
            overflow: hidden;
            
        }
        
        .flip-front {
            transform: rotateY(0deg);
        }
        
        .flip-back {
            transform: rotateY(180deg);
        }
        
        .flip-front img, .flip-back img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .instruction {
            position: absolute;
            bottom: 30px;
            color: white;
            text-align: center;
            width: 100%;
            padding: 0 20px;
            text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
            line-height: 1.5;
        }