html, body {
    margin: 0;
    padding: 0;
    border: 0;
    display: block;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    overflow: auto;
    overscroll-behavior: contain;
    background-color: #000000;
}

body {
    border-radius: 2em;
    background-color: #ffffff;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}

main {
    padding: 1em;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

#appLogo {
    display: block;
    margin: 1rem 0;
    width: 10rem;
    max-width: 100%;
}

#croppingProgress {
    block-size: 1.8em;
    margin: 0 0.5em;
    vertical-align: top;
    inline-size: 15em;
    max-width: 100%;
}

label[for=inputFile] {
    display: inline-block;
    cursor: pointer;
    border: 1px solid #555;
    padding: 0.6em 1em;
    border-radius: 1rem;
    color: #000;
    background-color: #fff;
    transition: all 0.5s;
}

label[for=inputFile]:active {
    color: #fff;
    background-color: #000;
    transition: none;
}

#inputFile {
    opacity: 0;
    position: absolute;
    z-index: -1;
}

#pdfCanvas {
    display: none;
    border: 1px solid black;
    max-width: 100%;
}