.message-userArrow
{
position: absolute;
top: (@xf-messagePadding) * 2;
right: -1px;
.m-triangleLeft(xf-default(@xf-messageUserBlock--border-color, transparent), @xf-messagePadding);
<xf:if is="property('uix_removeMessageArrow')">
display: none;
</xf:if>
&:after
{
position: absolute;
top: -(@xf-messagePadding - 1px);
right: -@xf-messagePadding;
content: "";
<xf:if is="property('uix_messageMain--background-color')">
.m-triangleLeft(@xf-uix_messageMain--background-color, @xf-messagePadding - 1px);
<xf:else />
.m-triangleLeft(xf-default(@xf-contentBg, transparent), @xf-messagePadding - 1px);
</xf:if>
}
}