Źle pozamykane div'y zmień na:
<section class="module parallax Breakfast1">
<div class="navBar ">
<div class="burger" onclick="burger(this)">
<div class="bar1"></div>
<div class="bar2"></div>
<div class="bar3"></div>
</div>
<div class="logo">
YourRecipes.com
</div>
<div class="login-bar">
<div class="login">
Login
</div>
</div>
</div>
<div style="width: 40vh;">
<div style="width: 100%; height: 95vh;">
<div class="burger-menu" style="display: none;">
<p style="background-color: green; padding-top: 50px;">coś</p>
<p>Coś</p>
<p>CośCoś</p>
<p>CośCośCoś</p>
</div>
<div class="DayName">
<p>Czas na</p>
<div>Śniadanie</div>
</div>
</div>
</div>
<div style="width: 100%; height: 50px;">
<div class="links">
<a href="http://yourrecipes.azurewebsites.net/Home/Coffee">Coffee</a>
<a href="http://yourrecipes.azurewebsites.net/Home/Breakfast">Breakfast</a>
<a href="http://yourrecipes.azurewebsites.net/Home/Dinner">Dinner</a>
<a href="http://yourrecipes.azurewebsites.net/Home/Lunch">Lunch</a>
</div>
</div>
</section>