Minor lab formatting fixup

Signed-off-by: David A. Wheeler <[email protected]>

Author: david-a-wheeler

docs/labs/checker.css

@@ -17,7 +17,7 @@ pre input, pre textarea {
     display: none;
 }
 
-table, th, td {
+th, td {
   border: 1px solid black;
 }
 

docs/labs/regex1.html

@@ -347,7 +347,7 @@ <h3>Part 1</h2>
 -->
 <form id="lab1">
 <pre></code>
-<input id="attempt0" type="text" size="70" spellcheck="false" value="">
+<input id="attempt0" type="text" size="60" spellcheck="false" value="">
 </code></pre>
 <button type="button" class="hintButton">Hint</button>
 <button type="button" class="resetButton">Reset</button>
@@ -365,7 +365,7 @@ <h3>Part 2</h2>
 -->
 <form id="lab2">
 <pre></code>
-<input id="attempt1" type="text" size="70" spellcheck="false" value="">
+<input id="attempt1" type="text" size="60" spellcheck="false" value="">
 </code></pre>
 <button type="button" class="hintButton">Hint</button>
 <button type="button" class="resetButton">Reset</button>
@@ -383,7 +383,7 @@ <h3>Part 3</h2>
 -->
 <form id="lab3">
 <pre></code>
-<input id="attempt2" type="text" size="70" spellcheck="false" value="">
+<input id="attempt2" type="text" size="60" spellcheck="false" value="">
 </code></pre>
 <button type="button" class="hintButton">Hint</button>
 <button type="button" class="resetButton">Reset</button>
@@ -402,7 +402,7 @@ <h3>Part 4</h2>
 -->
 <form id="lab4">
 <pre></code>
-<input id="attempt3" type="text" size="70" spellcheck="false" value="">
+<input id="attempt3" type="text" size="60" spellcheck="false" value="">
 </code></pre>
 <button type="button" class="hintButton">Hint</button>
 <button type="button" class="resetButton">Reset</button>
@@ -422,7 +422,7 @@ <h3>Part 5</h2>
 -->
 <form id="lab5">
 <pre></code>
-<input id="attempt4" type="text" size="70" spellcheck="false" value="">
+<input id="attempt4" type="text" size="60" spellcheck="false" value="">
 </code></pre>
 <button type="button" class="hintButton">Hint</button>
 <button type="button" class="resetButton">Reset</button>