<div id="chat">
    <input class="no-display" id="mobile-menu-switch-checkbox" type="checkbox">

    <div id="left-col">
        <div id="user">
            <label class="mobile-only" id="mobile-menu-switch" for="mobile-menu-switch-checkbox">
                <i class="fa fa-fw fa-navicon fa-lg"></i>
            </label>

            <span id="current-user">{{name}}</span>

            <form id="logout" action="/logout" method="post">
                <button type="submit" class="button-no-style"><i class="fa fa-power-off" title="logout"></i></button>
            </form>
        </div>
        <div id="room-tabs"></div>
    </div>

    <div id="main-col">
        <div id="rooms">

        </div>

        <div id="above_input">
            <div id="autocomplete">

            </div>

            <div id="new-messages-indicator">
                <div id="new-messages">
                    <i class="fa fa-inbox"></i> scroll down to see new messages
                </div>
            </div>
        </div>

        <textarea id="input" placeholder="Type here, use markdown to format your text ..."></textarea>
    </div>

    <div id="right-col">
        <div id="room-infos">

        </div>
        <div id="stars">

        </div>
    </div>
</div>

<div id="chat">
    <input class="no-display" id="mobile-menu-switch-checkbox" type="checkbox">

    <div id="left-col">
        <div id="user">
            <label class="mobile-only" id="mobile-menu-switch" for="mobile-menu-switch-checkbox">
                <i class="fa fa-fw fa-navicon fa-lg"></i>
            </label>

            <span id="current-user">{{name}}</span>

            <form id="logout" action="/logout" method="post">
                <button type="submit" class="button-no-style"><i class="fa fa-power-off" title="logout"></i></button>
            </form>
        </div>
        <div id="room-tabs"></div>
    </div>

    <div id="main-col">
        <div id="rooms">

        </div>

        <div id="above_input">
            <div id="autocomplete">

            </div>

            <div id="new-messages-indicator">
                <div id="new-messages">
                    <i class="fa fa-inbox"></i> scroll down to see new messages
                </div>
            </div>
        </div>

        <textarea id="input" placeholder="Type here, use markdown to format your text&hellip;"></textarea>
    </div>

    <div id="right-col">
        <div id="room-infos">

        </div>
        <div id="stars">

        </div>
    </div>
</div>

Use a ellipsis char instead of 3 separate points
Use a ellipsis char instead of 3 separate points