why ? 元素不能实现左对齐! 浮动问题？

  <div class="toolbar">
        <div class="container">
            <!--            left-->
            <div class="tbLeft left">
                <ul>
                    <li><a href="#">Lorem.</a></li>
                    <li><a href="#">Lorem ipsum.</a></li>
                </ul>
            </div>
            <!--            right-->
            <div class="right">
                Welcome to the official Australian tourism website.This site uses cookies.
            
            </div>
        </div>
    </div>

.toolbar {
   background-color: #004165;
   height: 46px;
}

.toolbar {
    background-color: #004165;
    height: 46px;
    overflow:hidden;
}