.elemnts-wrap.intro-content-wrap ul.root-item li a {
    padding-left: 40px;

    transition: padding-left 0.2s ease;
    webkit-transition: padding-left 0.2s ease;
    -moz-transition: padding-left 0.2s ease;
    -o-transition: padding-left 0.2s ease;
    transition: padding-left 0.2s ease;
}

.elemnts-wrap.intro-content-wrap ul.root-item li a:hover {
    padding-left: 48px;

    transition: padding-left 0.3s ease;
    webkit-transition: padding-left 0.3s ease;
    -moz-transition: padding-left 0.3s ease;
    -o-transition: padding-left 0.3s ease;
    transition: padding-left 0.3s ease;
}