figure {
    width: 100%;
    text-align: center;
}

figure img {
    vertical-align: middle;
}

.file#main-file {
    justify-content: center;
}

.control#main-submit {
    display: flex;
    justify-content: center;
}

html, body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.base-container {
    flex: 1;
}

.homepage-column {
    display: flex;
    flex-direction: column;
    justify-content: center;
}