body{
    font-family: Arial, sans-serif;
    margin:0;
    background:#f4f4f4;
}

header{
    background:#2c3e50;
    color:white;
    padding:20px;
    text-align:center;
}

nav{
    margin-top:10px;
}

nav a{
    color:white;
    text-decoration:none;
    margin:0 15px;
    font-weight:bold;
}

nav a:hover{
    color:#1abc9c;
}

.container{
    padding:30px;
    max-width:1000px;
    margin:auto;
    background:white;
    min-height:400px;
}

.gallery{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
    gap:15px;
}

.gallery img{
    width:100%;
    border-radius:10px;
}

.profile-card{
    background:#ecf0f1;
    padding:20px;
    border-radius:10px;
}

footer{
    text-align:center;
    padding:15px;
    background:#2c3e50;
    color:white;
}