Translating a theme

Problem:
Post always showing popup "about to change the language" and reloading

Solution:
It was a plugin conflict

Problem:
Large white block underneath footer language switcher on dark background site

Solution:
Please add this css to WPML > Languages > Language switcher options > Additional CSS

.wpml-ls-legacy-list-horizontal.wpml-ls-statics-footer {
    margin-bottom: 0;
}

or add the code to your theme custom css option.