.header {
    display: flex;
    justify-content: center;
    align-items: center;
}

.introduction {
    width: 90%;
    background-image: url(../assets/images/bg_2.jpg) ;
    background-size: cover;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 10px solid black;
    padding: 10px;

}

.intro {
    color: black ;
    text-align: justify;
    font-size: 1.5rem;
}