body {
    font-family: 'Kanit', sans-serif;
    font-weight: 300;
}

.center-div {
    width: 100%;
    max-width: 500px; /* ขนาดสูงสุดของ div */
    height: 200px;
    background-color: #3498db;
    color: white;
    text-align: center;
    line-height: 200px; /* จัดข้อความให้อยู่ตรงกลางในแนวตั้ง */
}

.header {
    font-family: 'Kanit', sans-serif;
    font-weight: 400;
    animation-delay: 10s;
    animation: bounce 2s infinite;
    border-radius: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

@keyframes bounce {
    0% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(15px);
    }

    100% {
        transform: translateY(0);
    }
}

.card {
    margin-top: 20px;
}

.card img:hover {
    animation: bounce 1s;
}

.card a {
    animation: rubberBand 4s infinite;
    animation-delay: 2s;
}

.card a:hover {
    animation: pulse 1s;
}

.content {
    border-radius: 20px;
    padding: 20px 20px 50px 20px;
    min-height: 700px;
    background-color: rgba(0, 108, 121, 0.8);
}

.backwrap {
    z-index: -99;
}

.card-body {
    text-align: center;
}