body, html {
    margin: 0;
    padding: 0;
    max-width: 100%;
    background-color: #f4f4f4;
    overflow: auto;
}
body {
    padding: 70px 10px 0;
}
#controls {
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 60px;
    background-color: #fff;
    border-bottom: solid 1px #ccc;
}
button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 40px;
    background-color: #fff;
    border: solid 1px #ccc;
    font-size: 16px;
    margin: 0 5px;
    padding: 0;
    cursor: pointer;
    border-radius: 4px;
}
button:hover {
    background-color: #f4f4f4;
}
#pdf-container {
    margin: 0 auto;
}
.pdf-canvas {
    display: block;
    margin: 0 auto 10px;
    border: 1px solid #ccc;
}
@media print {
    @page {
        margin: 0;
    }
    #controls {
        display: none !important;
    }
    body, html {
        margin: 0;
        padding: 0;
        background: #fff !important;
    }
    #pdf-container {
        max-width: none;
        margin: 0;
        width: 100vw;
    }
    .pdf-canvas {
        border: none;
        margin-bottom: 0;
        page-break-after: always;
        width: unset !important;
        height: unset !important;
        box-sizing: border-box;
        display: block;
    }
}