How can I put a code without running my other code

I have this code I want to add the "choose profile" with those radio button characters but whenever I add it it clashes with the next button can anyone help?

<div class="pen-title">
  <img src="logo-small.png" alt="MarkitLive">
</div>
<div class="container">
  <div class="card"></div>
  <div class="card">
    <h1 class="title">Login</h1>
    <form>
      <div class="input-container">
        <input type="text" id="Username" required="required"/>
        <label for="Username">Username</label>
        <div class="bar"></div>
      </div>
      <div class="input-container">
        <input type="password" id="Password" required="required"/>
        <label for="Password">Password</label>
        <div class="bar"></div>
      </div>
      <div class="button-container">
        <button><span>Go</span></button>
      </div>
      <div class="footer"><a href="#">Forgot your password?</a></div>
    </form>
  </div>
  <div class="card alt">
    <div class="toggle"></div>
    <h1 class="title">Register
      <div class="close"></div>
    </h1>
    <form>
    <div class="input-container">
        <input type="text" id="Email" required="required"/>
        <label for="Email">Email</label>
        <div class="bar"></div>
      </div>
      <div class="input-container">
        <input type="text" id="Username" required="required"/>
        <label for="Username">Username</label>
        <div class="bar"></div>
      </div>
      <div class="input-container">
        <input type="password" id="Password" required="required"/>
        <label for="Password">Password</label>
        <div class="bar"></div>
      </div>
      <div class="input-container">
        <input type="password" id="Repeat Password" required="required"/>
        <label for="Repeat Password">Repeat Password</label>
        <div class="bar"></div>
      </div>

      
      <div class="button-container">
        <button><span>Next</span></button>
      </div>
    </form>
  </div>
</div>
	</div>
</div>

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<label> chose: </label>
<label class="ml_profile_pic">
<input type="radio" name= "pf" value= "male1"
required>
<img scr="male1.png"> 
</label>

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