密码强度

    <div class="container">
    			
    			<div class="userName-wrapper">
    				<label for="userName">账户:</label>
    				<input type="text" id="userName">
    				<span class="unmInfo"><i class="warn"></i></span>
    			</div>
    			
    			<div class="count"></div>
    
    			<div class="passWord-wrapper">
    				<label for="psd">密码:</label>
    				<input type="password" id="psd">
    				<span class="psdInfo"></span>
    			</div>
    			<div clas