.mud-input.mud-input-underline::before {
    border-bottom: 0px hidden var(--mud-palette-lines-inputs);
}

.mud-input.mud-input-underline::after {
    border-bottom: 0px hidden var(--mud-palette-primary);
}

.mud-input.mud-input-underline:hover::before {
    border-bottom: 0px hidden var(--mud-palette-action-default);
}

@media (hover: hover) and (pointer: fine) {
    .mud-input.mud-input-underline:hover:not(.mud-disabled)::before {
        border-bottom: 0px hidden var(--mud-palette-action-default);
    }

    .mud-input.mud-input-underline:hover:not(.mud-disabled)::after {
        border-bottom: 0px hidden var(--mud-palette-action-default);
    }
}