* {
    box-sizing: border-box;
}

body {
    font-size: 20px;
    max-width: 1280px;
    margin: auto;
    padding: 1em;
}

img {
    max-width: 100%;
}

.main-nav {
    list-style-type: none;
    display: flex;
    justify-content: flex-end;
    gap: 20px;
    padding: 0;
}

hr{
    margin-top: 50px;
}
              
.media-card{
    display:flex;
    flex-direction: column;
    gap:20px;
}

.gallery{
    display:flex;
    flex-wrap:wrap;
    gap:20px;
}

.gallery .media-card{
    flex:1 500px;
}

@media (min-width: 768px) {
    .media-card {
        flex-direction: row;
    }
}