.slider__title {
    text-shadow: 1px 1px 2px black !important;
}
.logo__title {
text-shadow: 1px 1px 2px black !important;
}
.logo__description {
text-shadow: 1px 1px 1px black !important;
}
.slider__caption {
text-shadow: 1px 1px 1px black !important;
}