$field-background: $base;
$field-border: darken( $base, 20% );
$field-font: darken( $base, 50% );

$focus-background: lighten( $base, 10% );
$focus-border: darken( $field-border, 20% );
$focus-font: lighten( $field-font, 10% );

$selected-background: lighten( $base, 10% );
$selected-border: darken( $field-border, 5% );
$selected-font: $accent;