* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f4f4f4;
}

.container {
    text-align: center;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 300px;
}

.profile-pic {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 4px solid #25D366; /* Yeşil çerçeve */
    margin-bottom: 20px;
}

h1 {
    font-size: 1.5em;
    color: #333;
    margin-bottom: 20px;
}

.whatsapp-button {
    background-color: #25D366;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 1.2em;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.whatsapp-button:hover {
    background-color: #1ebd58;
}

@media (max-width: 600px) {
    .container {
        width: 90%;
    }

    .profile-pic {
        width: 120px;
        height: 120px;
    }

    h1 {
        font-size: 1.2em;
    }

    .whatsapp-button {
        font-size: 1em;
    }
}