After implementing Bootstrap to make my website responsive, I noticed that adding the container caused a white margin that does not blend with the background color. How can I fix this issue?
https://i.sstatic.net/2gGL6.png
<!-- Bootstrap-4 -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="5f3d30302b2c2b2b2d3e2f1f6b716a716c">[email protected]</a>/dist/css/bootstrap.min.css" integrity="sha384-TX8t27EcRE3e/ihU7zmQxVncDAy5uIKz4rEkgIXeMed4M0jlfIDPvg6uqKI2xXr2" crossorigin="anonymous">
<!-- Body -->
<div class="container">
<section class="lndForm">
<div class="containerform">
<div class="row">
<div class="col-md-6" id="div2">
<div class="textCTA">
<h2 class="title"> Ajudando pessoas comuns a passar na redação ENEM </h2>
<form action="https://formsubmit.co/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="7c0e13180e151b130e15130f124f3c1b111d1510521f1311">[email protected]</a>" method="POST">
<input type="hidden" name="_captcha" value="false">
<input type="hidden" name="_next" value="http://margarethredacoes.com.br/">
<label for="nome">Nome</label> <br>
<input type="text" name="NOME" id="" required> <br>
<label for="email" required>Email</label> <br>
<input type="email" name="E-MAIL" id="" required> <br>
<label for="telefone">Telefone</label> <br>
<input type="text" name="TELEFONE" id="" required>
<button type="submit" onclick="alerta()">Continuar</button>
</form>
</div>
</div>
<div class="col-md-6" id="div1">
<div class="containerimage">
<img src="/Imagens/professora.png" alt="">
</div>
</div>
</div>
</div>
</section>
</div>