Adding buttons into stash.pull-request.toolbar.actions causes wrapping

    <web-item key="stash.pull-request.handbrake.on" name="Pull Request Handbrake On"
              weight="11" section="stash.pull-request.toolbar.actions">
        <conditions type="AND">
            <condition class="com.atlassian.stash.web.conditions.PullRequestInState">
                <param name="state">OPEN</param>
            </condition>
            <condition class="com.atlassian.stash.web.conditions.CanMergePullRequestCondition"/>
            <condition class="ru.yandex.stash.plugin.pull.handbrake.web.conditions.HasPullRequestHandbrakeOnCondition"
                       invert="true" />
        </conditions>
        <label key="stash.web.pull-request.toolbar.handbrake">Handbrake</label>
        <tooltip key="stash.web.pull-request.toolbar.handbrake.on.tooltip">Disallow merging</tooltip>
        <styleClass>pull-request-handbrake</styleClass>
    </web-item>

    <web-item key="stash.pull-request.handbrake.off" name="Pull Request Handbrake Off"
              weight="11" section="stash.pull-request.toolbar.actions">
        <conditions type="AND">
            <condition class="com.atlassian.stash.web.conditions.PullRequestInState">
                <param name="state">OPEN</param>
            </condition>
            <condition class="com.atlassian.stash.web.conditions.CanMergePullRequestCondition"/>
            <condition class="ru.yandex.stash.plugin.pull.handbrake.web.conditions.HasPullRequestHandbrakeOnCondition"/>
        </conditions>
        <param name="stashButtonActive" value="true"/>
        <label key="stash.web.pull-request.toolbar.handbrake">Handbrake</label>
        <tooltip key="stash.web.pull-request.toolbar.handbrake.off.tooltip">Allow merging</tooltip>
        <styleClass>pull-request-handbrake mode-enabled</styleClass>
    </web-item>

// Box Shadows
.box-shadow(@boxshadow: 0 0 5px rgba(111, 111, 111, 0.15)) {
  -webkit-box-shadow: @boxshadow;
  box-shadow: @boxshadow;
}

.button-coloring(@bg-color, @text-color) {
  &.mode-enabled[aria-pressed=true] {
    border-color: darken(@bg-color, 12%);
    text-shadow: 0 1px 0 darken(@bg-color, 7%);
    background: @bg-color;
    color: @text-color;
    .box-shadow(inset 0 3px 6px darken(@bg-color, 7%));
  }
}

.pull-request-handbrake {
  .button-coloring(#891b1a, #fff)
}