body {
    margin: 0;
    padding: 0;
    background:white;
    background-size: cover;
    background-position: center;
    font-family: sans-serif;
}

.top-panel {
    display: flex;
    width: 100%;
    height: 100%;
    justify-content: center;
    margin-top: 20px;
    text-align: center;
}

.top-panel .back-btn {
    width: 100px;
    height: 35px;
    position: fixed;
    top: 10px;
    left: 10px;
    background-color: white;
    cursor: pointer;
    border: 1px solid lightgray;
    border-radius: 4px;
}

.top-panel h1 {
    display: table;
    justify-content: center;
    color: black;
    font-size: 25px;
    margin: 0px;
}

.exhibits-panel {
    display: grid;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin-top: 20px;
    grid-gap: 10px;
    grid-template-columns: 150px 150px 150px 150px 150px 150px;
}

.exhibits-panel .exhibit-panel {
    display: block;
    position: relative;
    justify-content: center;
    width: 150px;
    height: 150px;
    border: 1px solid lightgray;
    border-radius: 8px;
    background: white;
}

.exhibits-panel .exhibit-panel .edit-btn {
    justify-content: center;
    position: absolute;
    width: 80px;
    height: 30px;
    bottom: 10px;
    right: 10px;
    border: 1px solid lightgray;
    border-radius: 4px;
    background-color: white;
    cursor: pointer;
}

.exhibits-panel .exhibit-panel .number {
    position: absolute;
    font-size: 20px;
    left: 10px;
    top: 10px;
    margin: 0;
    color: #333;
}

.exhibits-panel .exhibit-panel .cover-frame {
    display: flex;
    float: left;
    width: 99%;
    height: 99%;
    border: 1px solid lightgray;
    border-radius: 5px;
    position: relative;
}

.exhibits-panel .exhibit-panel .cover-frame h1 {
    position: absolute;
    font-size: 40px;
    margin: 0;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.exhibits-panel .exhibit-panel .cover-frame .cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 5px;
}