styles/styles.css

header {
    visibility: hidden;
}

footer {
    visibility: hidden;
    height: 0%;
}

#MainMenu {
    visibility: hidden;
    height: 0%;
}

div[data-testid="stDecoration"] {
    display: none;
}

/* hideTopBar = true in config.toml*/
div[data-testid="stToolbar"] {
    visibility: hidden;
    height: 0%;
    position: fixed;
}

div[data-testid="stStatusWidget"] {
    visibility: hidden;
    height: 0%;
    position: fixed;
}

.block-container {
    padding-top: 0rem;
}


/* Modified fonts:
    markdown, Select box, Button text, Options text font from the select box, Chat input text area
*/

/*
@import url('https://fonts.googleapis.com/css2?family=Roboto&display=swap');

.stMarkdown p,
div[data-baseweb="select"],
div[data-testid="stMarkdownContainer"],
div[data-testid="tooltipHoverTarget"],
div[data-baseweb="base-input"] textarea {
    font-family: 'Roboto', sans-serif;
}
*/