.bandeau{
    position: relative;
    display: flex;
    width: 100%;
    overflow: hidden;
    width: 100%;
    height: 500px;
    justify-content: center;
    align-items: center;
}

.bandeau img{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    filter: blur(4px);
    width: calc(100% + 50px);
    height: calc(100% + 50px);
    object-fit: cover;
    z-index: -1;
}

.bandeau__texte h1{
    color: white;
    margin: 0;
}   

.bandeau__texte p{
    color: white;
    font-size: 20px;
}