body {
    font-family: Arial, Helvetica, sans-serif;
}

#header {
    background-color: aquamarine;
    padding: 20px;
    text-align: center;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.profil {
    width: 80%;
    text-align: center;
    margin: auto;
}

.profil img {
    border-radius: 50%;
    width: 150px;
    height: 150px;
    margin-bottom: 5px;
    margin-top: 20px;
}

.galeri {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
}

.kartu-aktivitas {
    flex: 0 1 auto;
    min-width: 250px;
    max-width: 300px;
    background-color: gray;
    padding: 20px;
    border: 2px solid;
    border-radius: 15px;
    box-sizing: border-box;
}

@media (max-width: 768px) {
    .container {
        width: 100%;
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }
}