*{margin-left:10px;margin-right:30px;}
h1 { color: blue; font-size:1.5em;text-align:center;}
h2 { color: red;font-size: 1.2em; text-align:center;}
h3 { font-size: 1em; font-family: Arial; color: black; font-weight: bold; text-align:left; }
img {padding-left:30px;align:center;} /*No lo está haciendo*/