#lineAppContainer {
    transition: opacity 0.3s ease-in-out;
}
#lineAppContainer.init {
    opacity: 0;
}

body {
    position: relative;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    width: 0px;
    height: 100%;
    transition: all 0.4s ease-in-out;
    z-index: 9;
    background-color: rgba(6, 30, 249, 0.571);
}
body.maybe-navigate-back::before {
    width: 10px;
    left: 0;
    right: unset;
    z-index: 99;
}

body.maybe-navigate-forward::before {
    left: unset;
    right: 0;
    width: 10px;
    z-index: 99;
}

body.maybe-navigate-end::before {
    width: 0;
}