header {
    display: none;
}

button,
div input
input[type="button"],
input[type="submit"],
input[type="reset"] {
    display: none;
}

div button,
div input,
div input[type="button"],
div input[type="submit"],
div input[type="reset"] {
    display: none;
}

div.container button, input, label {
    display: none;
}