diff --git a/math-page.html b/math-page.html
index 917b727..8e7d266 100644
--- a/math-page.html
+++ b/math-page.html
@@ -212,7 +212,7 @@
     <div class="content-wrapper">
       <div class="main-content">
         <h1>K–12 Math Lessons | CoolMathTime</h1>
-        <div class="warp-buttons">
+        <div class="grade-navigation-buttons">
           <h2>Warp to Grade:</h2>
           <div id="warp-buttons-container"></div>
         </div>
@@ -449,7 +449,7 @@ <h2 id="lessons-title">Old CoolMathTime lessons</h2>
           <div class="lesson-card"><h3>Multiplication & Division</h3><a href="https://houselearning.org/home/math/bin/multiplyanddivide.html" target="_blank" rel="noopener">Start Lesson</a></div>
           <div class="lesson-card"><h3>Fractions & Decimals</h3><a href="https://houselearning.org/home/math/bin/fractionanddecimals.html" target="_blank" rel="noopener">Start Lesson</a></div>
           <div class="lesson-card"><h3>Basic Geometry</h3><a href="https://houselearning.org/home/math/bin/basicgeometry.html" target="_blank" rel="noopener">Start Lesson</a></div>
-          <div class="lesson-card"><h3>Measurement & Time</h3><a href="https://houselearning.org/bin/home/math/measurementandtime.html" target="_blank" rel="noopener">Start Lesson</a></div>
+          <div class="lesson-card"><h3>Measurement & Time</h3><a href="https://houselearning.org/home/math/bin/measurementandtime.html" target="_blank" rel="noopener">Start Lesson</a></div>
           <div class="lesson-card"><h3>Money Math</h3><a href="https://houselearning.org/home/math/bin/moneysort.html" target="_blank" rel="noopener">Start Lesson</a></div>
           <div class="lesson-card"><h3>Algebra Basics</h3><a href="https://houselearning.org/home/math/bin/basicalgebra.html" target="_blank" rel="noopener">Start Lesson</a></div>
           <div class="lesson-card"><h3>Graphing & Coordinates</h3><a href="https://houselearning.org/home/math/bin/coords.html" target="_blank" rel="noopener">Start Lesson</a></div>
@@ -460,7 +460,7 @@ <h2 id="lessons-title">Old CoolMathTime lessons</h2>
           <div class="lesson-card"><h3>Integers & Rational Numbers</h3><a href="https://houselearning.org/home/math/bin/ratios.html" target="_blank" rel="noopener">Start Lesson</a></div>
           <div class="lesson-card"><h3>Ratios & Proportions</h3><a href="https://houselearning.org/home/math/bin/proportions.html" target="_blank" rel="noopener">Start Lesson</a></div>
           <div class="lesson-card"><h3>Angles & Shapes</h3><a href="https://houselearning.org/home/math/bin/angles.html" target="_blank" rel="noopener">Start Lesson</a></div>
-          <div class="lesson-card"><h3>Perimeter & Area</h3><a href="https://houselearning.org/home/math/bin/perimiter.html" target="_blank" rel="noopener">Start Lesson</a></div>
+          <div class="lesson-card"><h3>Perimeter & Area</h3><a href="https://houselearning.org/home/math/bin/perimeter.html" target="_blank" rel="noopener">Start Lesson</a></div>
           <div class="lesson-card"><h3>Volume & Surface Area</h3><a href="https://houselearning.org/home/math/bin/volumesurface.html" target="_blank" rel="noopener">Start Lesson</a></div>
           <div class="lesson-card"><h3>Graphing Equations</h3><a href="https://houselearning.org/home/math/bin/graphequations.html" target="_blank" rel="noopener">Start Lesson</a></div>
           <div class="lesson-card"><h3>Linear Functions</h3><a href="https://houselearning.org/home/math/bin/linearfunctions.html" target="_blank" rel="noopener">Start Lesson</a></div>
@@ -478,7 +478,7 @@ <h3>Math Maze</h3>
             </div>
 
             <div class="game-card">
-              <img src="https://houselearning.org/android-chrome-512x512.png" alt="">
+              <img src="https://houselearning.org/android-chrome-512x512.png" alt="Game in development placeholder">
               <h3>GAME IN DEVELOPMENT</h3>
               <a href="#" target="_blank" rel="noopener">WORTH THE WAIT!</a>
             </div>
@@ -521,7 +521,7 @@ <h3>Graph Genius</h3>
 
             <div class="game-card">
               <!-- placeholder image & link for algebruh since original was incomplete -->
-              <img src="https://houselearning.org/android-chrome-512x512.png" alt="">
+              <img src="https://houselearning.org/android-chrome-512x512.png" alt="Game in development placeholder">
               <h3>GAME IN DEVELOPMENT</h3>
               <a href="#" target="_blank" rel="noopener">WORTH THE WAIT!</a>
             </div>