biology

<style>/*<![CDATA[*/.ch-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0}.ch-card{border:2px dashed #ccc;border-radius:8px;padding:20px;text-align:center;transition:border-color .2s}.ch-card:hover{border-color:#0089C4}.ch-card .ico{width:160px;height:120px;margin:0 auto 12px;background:linear-gradient(135deg,#e8f4f8,#d4eaf5);border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:36px;color:#0089C4}.ch-card a{color:#0089C4;font-size:15px;font-weight:500;text-decoration:none;display:block}.ch-card a:hover{text-decoration:underline}@media(max-width:900px){.ch-grid{grid-template-columns:repeat(2,1fr)}}/*]]>*/</style><p>Kimball Biology Units 1-5: chemical basis of life, molecules, cells, metabolism, and DNA.</p>
<div class="ch-grid">
<div class="ch-card"><div class="ico">📚</div><a href="/Sandboxes/johnnyphung/biology/01:_The_Chemical_Basis_of_Life">01: The Chemical Basis of Life</a></div>
<div class="ch-card"><div class="ico">📖</div><a href="/Sandboxes/johnnyphung/biology/02:_The_Molecules_of_Life">02: The Molecules of Life</a></div>
<div class="ch-card"><div class="ico">📑</div><a href="/Sandboxes/johnnyphung/biology/03:_The_Cellular_Basis_of_Life">03: The Cellular Basis of Life</a></div>
<div class="ch-card"><div class="ico">📝</div><a href="/Sandboxes/johnnyphung/biology/04:_Cell_Metabolism">04: Cell Metabolism</a></div>
<div class="ch-card"><div class="ico">📜</div><a href="/Sandboxes/johnnyphung/biology/05:_DNA">05: DNA</a></div>
</div>