我正在关注 Michael Hartl 的 Ruby on Rails 教程。我在第十章。
我正在按照教程进行操作。在第 10 章,有一次我启动 rails server 时,bootstrap header 的背景颜色从黑色变成了浅灰色。我试图弄清楚发生了什么。我退回我的代码。我在互联网上搜索,但没有找到任何东西。
我无法具体说明这是什么时候发生的。我确定是在第 10 章。
我没有进行捆绑安装,也没有更改 gem,或者中间类似的东西。
这是部分代码
自定义.css.scss
@import "bootstrap";
/* mixins, variables, etc. */
$grayMediumLight: #eaeaea;
@mixin box_sizing {
-moz-box-sizing: border-box;
-webkit-box-sizing: border-box;
box-sizing: border-box;
}
/* universal */
html {
overflow-y: scroll;
}
body {
padding-top: 60px;
}
section {
overflow: auto;
}
textarea {
resize: vertical;
}
.center {
text-align: center;
h1{
margin-bottom: 10px;
}
}
/* typography */
h1, h2, h3, h4, h5, h6 {
line-height: 1;
}
h1 {
font-size: 3em;
letter-spacing: -2px;
margin-bottom: 30px;
text-align: center;
}
h2 {
font-size: 1.7em;
letter-spacing: -1px;
margin-bottom: 30px;
text-align: center;
font-weight: normal;
color: $grayLight;
}
p {
font-size: 1.1em;
line-height: 1.7em;
}
/* header */
#logo {
float: left;
margin-right: 10px;
font-size: 1.7em;
color: #fff;
text-transform: uppercase;
letter-spacing: -1px;
padding-top: 9px;
font-weight: bold;
line-height: 1;
&:hover {
color: #fff;
text-decoration: none;
}
}
/* footer */
footer {
margin-top: 45px;
padding-top: 5px;
border-top: 1px solid $grayMediumLight;
color: $grayLight;
a {
color: $gray;
&:hover {
color: $grayDarker;
}
}
}
footer small {
float: left;
}
footer ul {
float: right;
list-style: none;
li {
float: left;
margin-left: 10px;
}
}
/* miscellaneous */
.debug_dump {
clear: both;
float: left;
width: 100%;
margin-top: 45px;
@include box_sizing;
}
/* sidebar */
aside {
section {
padding: 10px 0;
border-top: 1px solid $grayLighter;
&:first-child {
border: 0;
padding-top: 0;
}
span {
display: block;
margin-bottom: 3px;
line-height: 1;
}
h1 {
font-size: 1.6em;
text-align: left;
letter-spacing: -1px;
margin-bottom: 3px;
}
}
}
.gravatar {
float: left;
margin-right: 10px;
}
/* forms */
input, textarea, select, .uneditable-input {
border: 1px solid #bbb;
width: 100%;
padding: 10px;
height: auto;
margin-bottom: 15px;
@include box_sizing;
}
#error_explanation {
color: #f00;
ul {
list-style: none;
margin: 0 0 18px 0;
}
}
.field_with_errors {
@extend .control-group;
@extend .error;
}
/* users index */
.users {
list-style: none;
margin: 0;
li {
overflow: auto;
padding: 10px 0;
border-top: 1px solid $grayLighter;
&:last-child {
border-bottom: 1px solid $grayLighter;
}
}
}
.microposts {
list-style: none;
margin: 10px 0 0 0;
li {
padding: 10px 0;
border-top: 1px solid #e8e8e8;
}
}
.content {
display: block;
}
.timestamp {
color: $grayLight;
}
.gravatar {
float: left;
margin-right: 10px;
}
aside {
textarea {
height: 100px;
margin-bottom: 5px;
}
}
_header.html.erb
<header class="navbar navbar-fixed-top">
<div class="navbar-inner">
<div class="container">
<%= link_to "sample app", root_path, id: "logo" %>
<nav>
<ul class="nav pull-right">
<li><%= link_to "Home", root_path %></li>
<li><%= link_to "Help", help_path %></li>
<% if signed_in? %>
<li><%= link_to "Users", users_path %></li>
<li id="fat-menu" class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown">
Account <b class="caret"></b>
</a>
<ul class="dropdown-menu">
<li><%= link_to "Profile", current_user %></li>
<li><%= link_to "Settings", edit_user_path(current_user) %></li>
<li class="divider"></li>
<li>
<li><%= link_to "Sign out", signout_path, method: "delete" %></li>
</li>
</ul>
</li>
<% else %>
<li><%= link_to "Sign in", signin_path %></li>
<% end %>
</ul>
</nav>
</div>
</div>
</header>
有人有类似的问题吗?
谢谢