The size do not match and i wonder why

Tell us what’s happening:

I created a textaera with a 100px height, and within it i have an input of the same height
but on the display the input box is higher than the textaera one …

Your code so far

  <h1 id="title">freeCodeCamp Survey Form</h1>
  <h2 id="description">Thank you for taking the time to help us improve the platform</h2>
  <div id="content">
    <form id="survey-form">
      <div id="name">
        <label id="name-label">Name</label>
        <input type="text" placeholder="  Enter your name" class="input-head">
      </div>
      <div id="email">
        <label id="email-label">Email</label>
        <input type="text" placeholder="  Enter your Email" class="input-head">
      </div>
      <div id="number">
        <label id="number-label">Age&#40;optional&#41;</label>
        <input type="text" placeholder="  Age" class="input-head">
      </div>
      <div id="dropdown-option">
        <label id="dropdown-option-label">Which option best describes your current role?</label>
        <select id="dropdown-option-select" name="dropdown-option-name">
          <option value="Select current role" selected disabled>Select current role</option>
          <option value="Student">Student</option>
          <option value="Full Time Job">Full TIme Job</option>
          <option value="Full Time Learner">Full Time Learner</option>
          <option value="Prefer not to say">Prefer not to say</option>
          <option value="Other">Other</option>
         </select>
        </div>
      <div id="recommendation">
        <label id="recommendation-label">
          Would you recommend freeCodeCamp to a friend?</label>
        <p id="para-definitely"><input type='radio' id='definitely' name='radio-recommendation' checked><label for="definitely" id="definitely-label">Definitely</label></p>
        <p id="para-maybe"><input type='radio' id='maybe' name='radio-recommendation'><label for="maybe" id="maybe-label">Maybe</label></p>
        <p id="para-not-sure"><input type='radio' id='not-sure' name='radio-recommendation'><label for="not-sure" id="not-sure-label">Not sure</label></p>
      </div>
      <div id="dropdown-feature">
        <label id="dropdown-feature-label">What is your favorite feature of freeCodeCamp?</label>
        <select id="dropdown-feature-select" name="dropdown-feature-name">
          <option value="Select an option" selected disabled>Select an option</option>
          <option value="Challenges">Challenges</option>
          <option value="Projects">Projects</option>
          <option value="Community">Community</option>
          <option value="Open Source">Open Source</option>
         </select>
       </div>
      <div id="improvement">
        <p><label id="improvement-label">What would you like to see improved? (Check all that apply)</label></p>
        <p class="para-improvement"><input type="checkbox" id="front-end-projects" name="improvement-box" value="front-end-projects"><label for="front-end-projects" class="improvement-box-label">Front-end Projects</label></p>
        <p class="para-improvement"><input type="checkbox" id="back-end-projects" name="improvement-box" value="back-end-projects"><label for="back-end-projects" class="improvement-box-label">Back-end Projects</label></p>
        <p class="para-improvement"><input type="checkbox" id="data-visualization" name="improvement-box" value="data-visualization"><label for="data-visualization" class="improvement-box-label">data-visualization</label></p>
        <p class="para-improvement"><input type="checkbox" id="challenges" name="improvement-box" value="challenges"><label for="challenges" class="improvement-box-label">Challenges</label></p>
        <p class="para-improvement"><input type="checkbox" id="open-source-community" name="improvement-box" value="open-source-community"><label for="open-source-community" class="improvement-box-label">Open Source Community</label></p>
        <p class="para-improvement"><input type="checkbox" id="gitter-help-rooms" name="improvement-box" value="gitter-help-rooms"><label for="gitter-help-rooms" class="improvement-box-label">Gitter help rooms</label></p>
        <p class="para-improvement"><input type="checkbox" id="videos" name="improvement-box" value="videos"><label for="videos" class="improvement-box-label">Videos</label></p>
        <p class="para-improvement"><input type="checkbox" id="city-meetups" name="improvement-box" value="city-meetups"><label for="city-meetups" class="improvement-box-label">City Meetups</label></p>
        <p class="para-improvement"><input type="checkbox" id="wiki" name="improvement-box" value="wiki"><label for="wiki" class="improvement-box-label">Wiki</label></p>
        <p class="para-improvement"><input type="checkbox" id="forum" name="improvement-box" value="forum"><label for="forum" class="improvement-box-label">Forum</label></p>
        <p class="para-improvement"><input type="checkbox" id="additional-courses" name="improvement-box" value="additional-courses"><label for="additional-courses" class="improvement-box-label">Additional Courses</label></p>
      </div>
      <div id="comment">
        <label id="comment-label">Any comments or suggestions?</label>
        <textaera id="textaera" name="textaera"><input type='text' placeholder="Enter your comment here"  id="input-textaera">
          </textaera>
      </div>
      <div id="submit">
        <button type="submit" id="button-submit">Submit</button>
      </div>
    </form>
  </div>
</main>
main {
  color: white;
  background-image: url(https://www.marchesaintpierre.com/2064-large_default/tulle-uni-bleu-roi.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center center;
  font-family: sans-serif;
}

#title {
  text-align: center;
  font-weight: 500;
  letter-spacing: 1px;
  padding-top: 35px;
  font-size: 31px;
}

#description {
  text-align: center;
  font-size: 18px;
  font-weight: 10;
  font-style: italic;
}

#content {
  background-color:	rgba(25,25,112);
  margin-right:25%;
  margin-left:25%;
  border-radius:5px;
}

#name,#email,#number,#dropdown-option,#recommendation,#dropdown-feature {
  display:flex;
  flex-direction:column;
  margin-right:7%;
  margin-left: 7%;
  padding-top: 30px;
}

#name-label,#email-label,#number-label ,#dropdown-option-label,#recommendation-label,#dropdown-feature-label,#improvement-label,#comment-label{
  font-family: verdana;
  font-size: 18px;
}

.input-head ,#dropdown-option-select,#dropdown-feature-select{
  margin-top: 10px;
  border-radius: 5px;
  height: 35px;
  font-size: 16px;
}

#recommendation {
  display:flex;
  height:120px;
}

#para-definitely,#para-maybe,#para-not-sure {
  font-size: 18px;
  margin-top:2px;
  margin-bottom: 10px;
}

#improvement {
  display:flex;
  flex-direction: column;
  margin-left:7%;
  margin-right:7%;
}

.para-improvement {
  margin-top:-15px;
  margin-bottom:15px;
}

#comment {
  margin-left:7%;
  margin-right:7%;
  display:grid;
}

#textaera {
  height: 100px;
  background-color: black;
}

#input-textaera {
  height:100px;
  width:50%;
}

#input-textaera::placeholder {
  position:relative;
  bottom: 37%;
  left:2%;
}

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.125 Safari/537.36.

Challenge: Build a Survey Form

Link to the challenge:

I have an other issue i put it here if you know how to solve it
I have issue creating the textaera box and i dont know why …

<script src="https://cdn.freecodecamp.org/testable-projects-fcc/v1/bundle.js"></script>
<main>
  <h1 id="title">freeCodeCamp Survey Form</h1>
  <p id="description">Thank you for taking the time to help us improve the platform</p>
  <div id="content">
    <form id="survey-form">
      <div id="name1">
        <label id="name-label">Name</label>
        <input type="text" placeholder="  Enter your name" class="input-head" id="name" required>
      </div>
      <div id="email1">
        <label id="email-label">Email</label>
        <input type="email" placeholder="  Enter your Email" class="input-head" id="email" required>
      </div>
      <div id="number1">
        <label id="number-label">Age&#40;optional&#41;</label>
        <input type="number" placeholder="  Age" class="input-head" id="number" min="8" max="70">
      </div>
      <div id="dropdown-option">
        <label id="dropdown-option-label">Which option best describes your current role?</label>
        <select id="dropdown" name="dropdown-option-name">
          <option value="Select current role" selected disabled>Select current role</option>
          <option value="Student">Student</option>
          <option value="Full Time Job">Full TIme Job</option>
          <option value="Full Time Learner">Full Time Learner</option>
          <option value="Prefer not to say">Prefer not to say</option>
          <option value="Other">Other</option>
         </select>
        </div>
      <div id="recommendation">
        <label id="recommendation-label">
          Would you recommend freeCodeCamp to a friend?</label>
        <p id="para-definitely"><input type='radio' id='definitely' name='radio-recommendation' value="definitely" checked><label for="definitely" id="definitely-label">Definitely</label></p>
        <p id="para-maybe"><input type='radio' id='maybe' name='radio-recommendation' value="maybe"><label for="maybe" id="maybe-label">Maybe</label></p>
        <p id="para-not-sure"><input type='radio' id='not-sure' name='radio-recommendation' value="not-sure"><label for="not-sure" id="not-sure-label">Not sure</label></p>
      </div>
      <div id="dropdown-feature">
        <label id="dropdown-feature-label">What is your favorite feature of freeCodeCamp?</label>
        <select id="dropdown-feature-select" name="dropdown-feature-name">
          <option value="Select an option" selected disabled>Select an option</option>
          <option value="Challenges">Challenges</option>
          <option value="Projects">Projects</option>
          <option value="Community">Community</option>
          <option value="Open Source">Open Source</option>
         </select>
       </div>
      <div id="improvement">
        <p><label id="improvement-label">What would you like to see improved? (Check all that apply)</label></p>
        <p class="para-improvement"><input type="checkbox" id="front-end-projects" name="improvement-box" value="front-end-projects"><label for="front-end-projects" class="improvement-box-label">Front-end Projects</label></p>
        <p class="para-improvement"><input type="checkbox" id="back-end-projects" name="improvement-box" value="back-end-projects"><label for="back-end-projects" class="improvement-box-label">Back-end Projects</label></p>
        <p class="para-improvement"><input type="checkbox" id="data-visualization" name="improvement-box" value="data-visualization"><label for="data-visualization" class="improvement-box-label">data-visualization</label></p>
        <p class="para-improvement"><input type="checkbox" id="challenges" name="improvement-box" value="challenges"><label for="challenges" class="improvement-box-label">Challenges</label></p>
        <p class="para-improvement"><input type="checkbox" id="open-source-community" name="improvement-box" value="open-source-community"><label for="open-source-community" class="improvement-box-label">Open Source Community</label></p>
        <p class="para-improvement"><input type="checkbox" id="gitter-help-rooms" name="improvement-box" value="gitter-help-rooms"><label for="gitter-help-rooms" class="improvement-box-label">Gitter help rooms</label></p>
        <p class="para-improvement"><input type="checkbox" id="videos" name="improvement-box" value="videos"><label for="videos" class="improvement-box-label">Videos</label></p>
        <p class="para-improvement"><input type="checkbox" id="city-meetups" name="improvement-box" value="city-meetups"><label for="city-meetups" class="improvement-box-label">City Meetups</label></p>
        <p class="para-improvement"><input type="checkbox" id="wiki" name="improvement-box" value="wiki"><label for="wiki" class="improvement-box-label">Wiki</label></p>
        <p class="para-improvement"><input type="checkbox" id="forum" name="improvement-box" value="forum"><label for="forum" class="improvement-box-label">Forum</label></p>
        <p class="para-improvement"><input type="checkbox" id="additional-courses" name="improvement-box" value="additional-courses"><label for="additional-courses" class="improvement-box-label">Additional Courses</label></p>
      </div>
      <div id="comment">
        <label id="comment-label">Any comments or suggestions?</label>
        <textaera id="textaera" name="textaera" placeholder="Enter your text here">
          </textaera>
      </div>
      <div id="submit-button">
        <button type="submit" id="submit">Submit</button>
      </div>
    </form>
  </div>
</main>
main {
  color: white;
  background-image: url(https://www.marchesaintpierre.com/2064-large_default/tulle-uni-bleu-roi.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center center;
  font-family: sans-serif;
}

#title {
  text-align: center;
  font-weight: 500;
  letter-spacing: 1px;
  padding-top: 35px;
  font-size: 31px;
}

#description {
  text-align: center;
  font-size: 18px;
  font-weight: 10;
  font-style: italic;
}

#content {
  background-color:	rgba(25,25,112);
  margin-right:25%;
  margin-left:25%;
  border-radius:5px;
}

#name1,#email1,#number1,#dropdown-option,#recommendation,#dropdown-feature {
  display:flex;
  flex-direction:column;
  margin-right:7%;
  margin-left: 7%;
  padding-top: 30px;
}

#name-label,#email-label,#number-label ,#dropdown-option-label,#recommendation-label,#dropdown-feature-label,#improvement-label,#comment-label{
  font-family: verdana;
  font-size: 18px;
}

.input-head ,#dropdown,#dropdown-feature-select{
  margin-top: 10px;
  border-radius: 5px;
  height: 35px;
  border-width: 0;
  font-size: 16px;
}

#recommendation {
  display:flex;
  height:120px;
}

#para-definitely,#para-maybe,#para-not-sure {
  font-size: 18px;
  margin-top:2px;
  margin-bottom: 10px;
}

#improvement {
  display:flex;
  flex-direction: column;
  margin-left:7%;
  margin-right:7%;
}

.para-improvement {
  margin-top:-15px;
  margin-bottom:15px;
}

#comment {
  margin-left:7%;
  margin-right:7%;
}

#textaera {
  height:100px;
  width:100%;
  border-radius: 5px;
  border-width:0;
  margin-top: 5px;
}

#submit {
  width:86%;
  height: 30px;
  margin-left: 7%;
  margin-right:7%;
  margin-top: 5%;
  margin-bottom: 7%;
  background-color:  mediumseagreen;
  border-radius:5px;
  border-width:0;
  color:white;
  font-weight: 500;
}

When i write this there is no textaera who appears but on google they are writting something similar to this and it does show one …