header {
    display: inline;
}

footer {
    border-top: 1px solid;
}

arts {
    display: flex;
    gap: 10px;
    display: inline;
}

#upl {
    position: static;
}

#arts {
    display: inline-block;
    margin: 10px;
    text-align: center;
    border: 10px black ;
    border-style: initial;
}

#arts img {
    border: 10px solid #ccc;
    border-radius: 8px;
    box-shadow: 2px 2px 5px rgba(0,0,0,0.2);
    display: block;
    
}

.like-btn {
    margin-top: 8px;
    background: none;
    border: 1px solid #000000;
    border-radius: 10px;
    padding: 5px 10px;
    cursor: pointer;
    transition: 0.2s;
}

.like-btn:hover {
    background-color: #ffe6e6;
}