body {
    font-family: Quicksand;
    color: rgb(255, 255, 255);
    background-color: rgb(0, 0, 0);
}

header {
    height: 187px;
    background-image: linear-gradient(180deg, #D0D0D0, #000000);
}

h1 {
    text-align: center;
    text-decoration: underline;
    font-weight: normal;
}

h2 {
    text-decoration: underline;
}

hr {
    width: 100%;
}

.navbar {
    display: flex;
    justify-content: space-around;
}

.navbar a {
    background-color: black;
    border: 1px solid white;
    border-radius: 2%;
    padding: 10px;
    text-decoration: none;
}

.navbar a:link {
    color: white;
}

.navbar a:visited {
    color: white;
}

.ahref {
    color: rgb(0, 123, 255)
}

.ahref a link:visited {
    color: rgb(0, 123, 255)
}

.neolithique {
    display: flex;
    align-items: center;
}

.img1 {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.txt1 {
    display: flex;
    flex-direction: column;
}

.img2 {
    display: flex;
    flex-direction: column;
}

.albert {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.img3 {
    display: flex;
    flex-direction: column;
    margin-right: 57px;
}

.stephen {
    display: flex;
    align-items: center;
}

.caption1 {
    width: 320px;
}