Khmer Web: Creating Login Form

#controllers/login.py
import config
from bottle import route, template, request, response, redirect

def checkLogin(username, password):
  if (username == 'admin') and (password == 'password'):
    return True
  else:
    return False

@route('/login', method="POST")
def user():
  username = request.forms.get('fusername')
  password = request.forms.get('fpassword')

  if checkLogin(username, password):
    response.set_cookie("logged-in", username, secret='some-secret-key')
  
  redirect('/login')

@route('/login')
def login():
  username = request.get_cookie("logged-in", secret='some-secret-key')
  if username:
    return 'dashboard'
  else:
    return template('login', data=config.kargs)

<!--views/login.tpl-->
<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8"/>
    <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
    <title>{{data['blogTitle']}}</title>
    <link href="/static/styles/login.css" rel="stylesheet"></link>
    <link href="/static/images/site_logo.png" rel="icon" ></link>
    <link href="/static/fonts/setup.css" rel="stylesheet"></link>
  </head>
  <body>
    <form id='login' action="/login" method="POST">
      <a>ឈ្មោះអ្នកប្រើប្រាស់ៈ</a> <input type="text" name='fusername' value="admin" />
      <a>ពាក្យសំងាត់ៈ</a><input type="password" name="fpassword" value="password" />
      <a></a><input type='submit' />
    </form>
  </body>
</html>

/*public/css/login.css*/
body{
  background: lightgrey;
  position: relative;
}

#login{
  width: 500px;
  background: lavender;
  margin:30px auto;
  padding: 10px;
  display: grid;
  grid-template-columns: 140px auto;
  grid-gap: 10px;
  font: 14px/1.5 OdorMeanChey;
  position: absolute;
  left: 50%;
  transform: translate(-50%,0);
}

#login input{
  padding: 10px;
}

#login a{
  text-align: right;
  padding: 10px 0;
}

@media only screen and (max-width: 600px){
  #login{
    grid-template-columns: 100%;
    width: 100%;
  }

  #login a{
    text-align: left;
    padding: 0;
  }
}

GitHub: https://github.com/Sokhavuth/kwblog
Heroku: https://khmerweb-kwblog.herokuapp.com/