PAGE_CONTAINER

</head>

<xf:if is="$xf.visitor.user_id AND in_array({$template}, ['forum_post_thread', 'conversation_add', 'conversation_view', 'thread_view', 'post_edit', 'forum_view', 'xfmg_media_view','member_view'])">
    <script async src="https://add.pics/sdk/pup_3.15.1.js?_v=3151" 
            data-url="https://add.pics/upload" 
            vendor="xenforo" 
            data-sibling="button.button--icon--preview" 
            data-sibling-pos="before">
    </script>
</xf:if>

core.less

.template-xfmg_media_view a.chevereto-pup-button--XF2, 
.template-conversation_view a.chevereto-pup-button--XF2, 
.template-thread_view div.formButtonGroup-primary a.chevereto-pup-button--XF2 
{ color: @xf-paletteColor1; background: @xf-paletteColor4; border-color: @xf-borderColor; } 

.template-xfmg_media_view a.chevereto-pup-button--XF2:hover, 
.template-conversation_view a.chevereto-pup-button--XF2:hover, 
.template-thread_view div.formButtonGroup-primary a.chevereto-pup-button--XF2:hover 
{ background: @xf-paletteColor4 !important; }