.jumbotron {
    min-height: 20rem;
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
    color: white;
}

.jumbotron h1{
    font-size: 20ch;
}

/* Section About us */
.sec-aboutus {
    min-height: 20rem;
}

.sec-aboutus a{
    font-size: 2.5ch;
}

.sec-aboutus h1 {
    font-size: 6ch;
}

/* Section All Client */
.sec-client {
    min-height: 20rem;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-blend-mode: overlay;
    color: white;
}