/* Firefox styling */
@supports (-moz-appearance:none) {
    .charsheet .sheet-chrome {
        display: none;
    }

    input[type="number"] {
        -moz-appearance: textfield;
    }
    input[type="number"]:hover,
    input[type="number"]:focus {
        -moz-appearance: revert;
    }
}

/* Not Firefox styling */
@supports not (-moz-appearance:none) {
    .charsheet .sheet-firefox {
        display: none;
    }
}