homepage/sass/parts/_image-toggler.scss

.image-label {
    cursor: pointer;
}

.image-toggled {
    position: absolute;
    top: 0;
    left: 0;
    visibility: hidden;
}

.image-toggler-toggle {
    display: none;
}

.image-toggler-toggle:checked ~ .image-label .image-toggled {
    position: static;
    visibility: visible;
}

.image-toggler-toggle:checked ~ .image-label .image-default {
    position: absolute;
    visibility: hidden;
}