我试图使一个登录表单与两个输入字段的插入填充，但他们最终超出了父的界限。是什么导致的?
jsfiddle.net/4x2kb/
#mainContainer { line-height: 20px; font-family: "Helvetica Neue",Helvetica,Arial,sans-serif; background-color: rgba(0,50,94,0.2); margin: 20px auto; display: table; -moz-border-radius: 15px; border-style: solid; border-color: rgb(40, 40, 40); border-radius: 2px 5px 2px 5px / 5px 2px 5px 2px; border-radius: 2px; border-radius: 2px 5px / 5px; box-shadow: 0 5px 10px 5px rgba(0,0,0,0.2); } .loginForm { width: 320px; height: 250px; padding: 10px 15px 25px 15px; overflow: hidden; } .login-fields > .login-bottom input#login-button_normal { float: right; padding: 2px 25px; cursor: pointer; margin-left: 10px; } .login-fields > .login-bottom input#login-remember { float: left; margin-right: 3px; } .spacer { padding-bottom: 10px; } /* ELEMENT OF INTEREST HERE! */ input[type=text], input[type=password] { width: 100%; height: 20px; padding: 5px 10px; background-color: rgb(215, 215, 215); line-height: 20px; font-size: 12px; color: rgb(136, 136, 136); border-radius: 2px 2px 2px 2px; border: 1px solid rgb(114, 114, 114); box-shadow: 0 1px 0 rgba(24, 24, 24,0.1); } input[type=text]:hover, input[type=password]:hover, label:hover ~ input[type=text], label:hover ~ input[type=password] { background:rgb(242, 242, 242) !important; } input[type=submit]:hover { box-shadow: inset 0 1px 0 rgba(255,255,255,0.3), inset 0 -10px 10px rgba(255,255,255,0.1); } <div id="mainContainer"> <div id="login" class="loginForm"> <div class="login-top"> </div> <form class="login-fields" onsubmit="alert('test'); return false;"> <div id="login-email" class="login-field"> <label for="email" style="-moz-user-select: none;-webkit-user-select: none;" onselectstart="return false;">E-mail address</label> <span><input name="email" id="email" type="text"></input></span> </div> <div class="spacer"></div> <div id="login-password" class="login-field"> <label for="password" style="-moz-user-select: none;-webkit-user-select: none;" onselectstart="return false;">Password</label> <span><input name="password" id="password" type="password"></input></span> </div> <div class="login-bottom"> <input type="checkbox" name="remember" id="login-remember"></input> <label for="login-remember" style="-moz-user-select: none;-webkit-user-select: none;" onselectstart="return false;">Remember my email</label> <input type="submit" name="login-button" id="login-button_normal" style="cursor: pointer" value="Log in"></input> </div> </form> </div> </div>
