Не работает z-index, часть текста не прячется за картинкой

section{
    position: relative;
    width: 100%;
    height: 100vh;
    padding: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
}

section img{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

section img#moon{
    mix-blend-mode: screen;

}

section img#mountins-front{
    z-index: 10;
}

#text{
    position: absolute;
    color: #fff;
    white-space: nowrap;
    font-size: 8vw;
    z-index: 9;
}