@media only screen and (max-width: 600px) {
    .presentation .txt-container .bigTitle:last-child {
        display: none;
    }
}

.bandeBlanche {
    transform: rotate(-15deg);
    width: 120%;
    top: 45%;
    left: -10%;
    transition: all 800ms cubic-bezier(.75, -0.5, 0, 1.75);
}