html, body {
    margin: 0;
    height: 100%;
}
body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: white;
    text-align: center;
    background-image: url('back.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1;
}
.content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    padding: 20px;
    box-sizing: border-box;
    flex-grow: 1;
}
.profile-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 20px 0;
    border: 3px solid white;
}
.name {
    font-size: 2.5em;
    margin: 10px 0;
}
.tagline {
    font-size: 1.2em;
    margin: 5px 0 40px;
}
.buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.button {
    padding: 10px 20px;
    font-size: 1em;
    color: white;
    background-color: rgba(255, 255, 255, 0.1);
    border: 2px solid white;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    width: 250px;
    text-align: center;
    transition: background-color 0.3s, color 0.3s;
}
.button:hover {
    background-color: white;
    color: #003366;
}
footer {
    font-size: 0.9em;
    color: white;
    padding: 20px;
    z-index: 2;
}
.footer-link {
    color: white;
}
@media (max-width: 600px) {
    .name {
        font-size: 2em;
    }
    .tagline {
        font-size: 1em;
    }
    .button {
        width: 200px;
    }
}