body{
    background-image: url("/Hinh-nen-tinh-yeu-1.webp");
    background-size: cover;
    color: #140101;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}

h1, h2, button {
    text-align: center;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

button {
    padding: 10px 20px;
    font-size: 16px;
    border: none;
    border-radius: 5px;
    background-color: #4CAF50;
    color: rgb(8, 1, 1);
    cursor: pointer;
    transition: background-color 0.3s ease;
    animation: bounce 1s infinite; 
}

button:hover {
    background-color: #45a049;
}

#moThiep{
    background-image: url("/istockphoto-545240218-612x612.jpg");
    background-size: cover;
    background-position:center;
}

/* Định dạng hộp thoại */
dialog {
    border: none;
    width: 400px;
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 0;
}

/* Tiêu đề dialog */
#dialogHeader {
    background-color: #ff85b7;
    padding: 15px;
    border-top-left-radius: 15px;
    border-top-right-radius: 15px;
    color: rgb(251, 7, 202);
    font-size: 24px;
}

/* Nội dung bên trong dialog */
#dialogContent {
    background-image: url("/hinh-nen-powerpoint-dep-nhat-2.jpg");
    background-size: cover;
    background-position:center;
    padding: 20px;
    display: none;
}

/* Thanh tiến trình bên trong dialog */
#dialogProgressBar {
    width: 80%;
    height: 10px;
    background-color: #f0f0f0;
    border-radius: 5px;
    margin: 20px auto;
}

#dialogProgress {
    width: 0;
    height: 100%;
    background-color: #ff69b4;
    border-radius: 5px;
}

/* Hình ảnh người nhận */
#profileImage {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 10px;
}