include('wsa.urls')
http://jsfiddle.net/2esybgmo/

html {
margin: 20px;
background: url("Images/background.png")center no-repeat fixed;
}
ul,
img {
margin: 0;
padding: 0;
vertical-align: middle;
}
.menu,
.dropdown-menu {
list-style-type: none;
background-color: white;
border-radius: 7px;
}
.menu li {
margin-left: -4px;
display: inline-block;
text-align: center;
border-right: 1px solid #eaeaea;
}
.menu li:first-child {
background-color: #4b424f;
border-top-left-radius: 7px;
border-bottom-left-radius: 7px;
}
.menu li a {
color: black;
display: block;
height: 100%;
padding: 17px 25px;
font-family: 'Montserrat', sans-serif;
font-size: 12px;
text-decoration: none;
margin: 0;
}
.menu li:hover .dropdown-menu {
display: block;
}
ul.dropdown-menu {
position: absolute;
border-top-right-radius: 0;
border-top-left-radius: 0;
border: none;
display: none;
}
ul.dropdown-menu li {
display: block;
text-align: left;
margin: 0;
border: none;
border-bottom: 1px solid #eaeaea;
}
ul.dropdown-menu li:last-child {
border: none;
}
ul.dropdown-menu li:first-child {
border-top: 1px solid #eaeaea;
background-color: White;
border-top-left-radius: 0;
}

我希望li元素中的灰色线条(border-right)像以前一样填充整个ul区域(以及标签)。将图像添加到列表后,有几个像素"缺少"我认为问题是因为图像本身比标签内的文本高一点。怎么做而不改变图像或文字大小?