body, html {
    height: 100%;
    margin: 0;
    font-family: 'Arial', sans-serif;
}

.container {
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.7)), url('sinanalper.jpg');
    background-size: cover;
    background-position: center;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

h1 {
    font-size: 1.5em;
    color: white;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.contact-button {
    background-color: rgba(0, 0, 0, 0.9);
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    
}

.contact-button:hover {
    background-color: rgba(0, 0, 0, 0.6);
}

.contact-button span {
    color: white;
    font-weight: bold;
}