.logo{
width: 100px;
height: 20px;
position: relative;
background-size: cover;
background-image: url(logo.png);
}
.logo__loaded{
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
width: 0%;
background-size: cover;
background-image: url(logo2.png);
}
<div class="logo">
<div class="logo__loaded" style="70%"></div>
</div
slug = models.SlugFiled(unique=True)
url(r'^(?P<slug>[-a-zA-Z0-9_]+)$', 'article_detail', name='article_detail'),
def article_detail(request, slug):
article = get_object_or_404(Article, slug=slug)
...