#gallery {
    margin: 20px auto;
    width: 900px;
}

#thumbnails {
    display: flex;
    width: inherit;
    margin: auto;
    justify-content: center;
}

.preview {
    margin: auto;
    border: 1px solid gray;
    border-radius: 5px;
    cursor: pointer;
}
.preview:hover{
    box-shadow: 5px 5px 10px gray;
}
.preview img {
    background-color: lightblue;
    border-radius: 5px 5px 0 0;
}

.desc {
    font-family: arial;
    text-align: center;
    font-weight: bolder;
    padding: 0px;
    margin: 4px;
}

#display {
    margin: 20px auto;
    padding: 20px;
    background-color: lightgreen;
    border: 1px solid lightgray;
    border-radius: 5px;
}

#fullview {
    display: block;
    margin: 0 auto;
    max-height: 500px;
}