templates/base.html

<!DOCTYPE html>
<html>
<head>
    <title>blog</title>
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
</head>
<style type="text/css">


    h5{
        margin-top: 0px;
        text-align: right;
        margin-right: 5px;
    }
    a{
        text-decoration: None;
        color: black;

    }
    ul{
        list-style-type: None;
    }
    .addnew{
        padding-left: 30px;
    }
</style>
<body>
    <div class="container">
        <div class = "heading">
        <h1><center>my blog</center></h1>
        </div>
        <div class="row">
            <div class="col-md-3 addnew"><a href="/blog/Newpage"><h3>add a new post</h3></a></div>
            <div class="col-md-5"></div>
            <div class="col-md-2"><a  href="/blog/{{ login }}"><h3 class= "login">{{ login }}</h3></a></div>
            <div class="col-md-2"><a href="/blog/signup"><h3 class="right">{{ signup }}</h3></a></div>
        </div >
        <div>
        {% block content %}
        {% endblock %}
        </div>
    </div>

</body>
</html>