.color1 {
    border-bottom-color: #FF6F61 !important; /* Coral */
}

.color2 {
    border-bottom-color: #6FCF97 !important; /* Verde fresco */
}

.color3 {
    border-bottom-color: #6CA0DC !important; /* Azul moderado */
}

.color4 {
    border-bottom-color: #A5647C !important; /* Vino tenue */
}

.color5 {
    border-bottom-color: #D980D5 !important; /* Magenta suave */
}

.color6 {
    border-bottom-color: #6ED3CF !important; /* Cian apagado */
}