.carousel-indicators,
.carousel-caption,
.carousel-control-next,
.carousel-control-prev,
.carousel-indicators {
    filter: invert(100%);
}
.carousel-caption{
    background-color:black;
    opacity: 0.8;
    border-radius: 25px;
}
.carousel-item img {
    border: 2px solid black;
    max-height: 600px;
}

#whyus {
    background-image: url('../Images/whyusimg.jpg');
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    min-height: 400px;
}

    #whyus div div div {
        border: 0.5px solid gray;
        min-height: 250px;
    }

.serviceSec .col {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1px;
}

.card {
    width: 18rem;
    text-align: justify;
}

#certificateDiv {
    background-image: url('../Images/Certificate.jpeg');
    background-size: cover;
    background-position: center;
    min-width: 95%;
    min-height: 600px;
    border-radius: 5%;
    border: 2px solid red;
}