client_annotation_page/css/styles.css

html,
body {
    padding: 0px;
    margin: 0px;
}

#app {
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

#sampleImage {
    max-width: 100%;
    max-height: 80%;
}