Collapsible User Extras 1.0

<xf:macro template="message_macros" name="user_info" arg-user="{$post.User}" arg-fallbackName="{$post.username}" arg-dateHtml="{$dateHtml}" arg-linkHtml="{$linkHtml}" />

<span id="collapse-{$post.post_id}" class="collapseTrigger collapseTrigger--block" data-xf-click="toggle" data-target="#js-post-{$post.post_id} .message-userExtras"></span>

<div class="message-userExtras">

<div class="message-userExtras message-userExtras-body message-userExtras--collapsible">

/* User Extras Collapse */
.message-userExtras-body
{
    .m-listPlain();
    &.message-userExtras--collapsible
    {
        .has-no-js & { display: block; }
        .m-transitionFadeDown();
    }
}
.message-cell
{
    .collapseTrigger
    {
        text-align: center;
        &.is-active:before
        {
            transform: rotate(-180deg);
        }
        &:before
        {
            content: "\f13a";
            color: @xf-linkColor;
            transition: ease-in transform .3s;
            width: auto;
        }
        &.collapseTrigger--block:before
        {
            float: none;
        }
    }
}
@media (max-width: @xf-responsiveNarrow)
{
    .message-cell
    {
        .collapseTrigger
        {
            display: none;
        }
    }
}