我在我的一个html网页中编码,正在干扰代码中的一行。我有一个社交媒体按钮,它有一个链接到Youtube页面的链接,但链接不仅适用于按钮,而且它也使链接下方的线条成为链接。另外似乎有一条线贯穿我的社交媒体图标,我不确定这是为什么。任何帮助表示赞赏。在html编码中的链接问题
<!DOCTYPE html>
<body class="contact">
<html>
<title>TekMillion - Contact</title>
<p style="text-align:center;"><img src="images/TEKMILL%20logo%20RESIZE.png" alt="Tekmill Logo" width="839" height="322"></center></p>
<link rel="stylesheet" href="stylesheet.css">
<HR>
<nav>
<ul>
<li><a href="index.html">Home</a></li>
\t \t <li><a href="videos.html">Videos</a></li>
\t \t <li><a href="about.html">About</a></li>
\t \t <li><a href="merchandise.html">Shop</a></li>
\t \t <li><a href="contact.html">Contact</a></li>
\t \t <li><a href="gallery.html">Gallery</a></li>
\t \t <li><a href="#">Albums</a></li>
</ul>
</nav>
<HR>
<div class="container">
</br>
<form action="form.php" method="post" enctype="multipart/form-data">
\t
\t <h1 class="title"><center>Contact US</h1></center>
\t
\t \t <label></label>
\t \t <input name="name" required="required" placeholder="Your Name">
\t \t
\t \t
\t \t <label></label>
\t \t <input name="email" type="email" required="required" placeholder="Your Email">
\t \t
\t \t
\t \t <label></label>
\t \t <textarea name="message" cols="20" rows="5" required="required" placeholder="Message"></textarea>
\t \t
\t \t \t \t
\t \t <center><input id="cancel" name="cancel" value="Cancel" />
\t \t
\t \t <input id="submit" name="submit" type="submit" value="Submit"></center>
\t
\t </form>
</br>
</br>
<span class="textformat1"><center><b>Social Media</span></center></b>
</br>
<center>
<a href="https://twitter.com/tekmill"> <img src="socialmedia/twitter.jpg" align="middle" alt="Instagram" width="80" height="80">
<a href="https://www.facebook.com/TekMillMusic"> <img src="socialmedia/facebook.jpg" align="middle" alt="Facebook" width="80" height="80">
<a href="https://plus.google.com/+TekMillMusic/videos"> <img src="socialmedia/googleplus.jpg" align="middle" alt="Google Plus" width="80"
height="80">
<a href="https://soundcloud.com/tekmill"> <img src="socialmedia/soundcloud.jpg" align="middle" alt="Soundcloud" width="80" height="80">
<a href="https://youtube.com/tekmillmusic"> <img src="socialmedia/youtube.jpg" align="middle" alt="Youtube" width="80" height="80">
</center>
</br>
</div>
</html>
<hr>
</body>
感谢。