XF 2.1 How to get these username animations?

- in particular, the nintendo style. I have tried using the same add on and animations extension, except i get this result:

Their CSS code is:

<div class="upgradeFeatures_b">
.th-unco-user-name-style-21>span {
    animation: flux 2s linear infinite;
    -moz-animation: flux 2s linear infinite;
    -webkit-animation: flux 2s linear infinite;
    -o-animation: flux 2s linear infinite;
    font-family: neon;
    color: #426DFB;
    text-shadow: 0 0 3vw #2356ff;
    text-align: center;
.th-unco-user-name-style-19>span {
    color: inherit;
    text-shadow: 0 0px 3px #fff, 0 0 3px #fff;
    font-weight: bold;
    background-image: url(usernamestyle/sparkle.gif);
    animation: style-554 15s ease infinite;
    text-align: center;
.th-unco-user-name-style-18>span {
    padding: 0.25em;
    font-family: Nintendoid1;
    color: #eee;
    font-size: 0.62em;
    line-height: 1;
    text-shadow: 0.06rem 0 0.06rem #ea36af, -0.125rem 0 0.06rem #75fa69;
    letter-spacing: 0.125em;
    animation-duration: 0.01s;
    animation-name: textflicker;
    animation-iteration-count: infinite;
    animation-direction: alternate;
<p style="text-align: center;"><span class="th-unco-user-name-style-18">
                                <span>Retro Style</span>
<p style="text-align: center;"><span class="th-unco-user-name-style-21">
                                <span>Neon Style</span>
</span> </p>
<p style="text-align: center;"><span class="th-unco-user-name-style-19">
                                <span>Fading Rainbow - Sparkle Glow Style</span>
<p style="text-align: center;">AND MORE!</p>