h1{ color:crimson; font-size:6ex; }
h3{ color:black; }
.right{ float:right; }
.left{ width:85%; }
.explanation{ font-size:3ex; margin-top:0.5ex; }
.color{ color:chocolate; font-weight:bold; }
.subtitle{ color:green; font-size:4ex; } 
.show{ z-index:1; width:500px; height:500px; margin-top:50%; }
.thumbnail{ cursor:pointer; }
a{ text-decoration:none; }
.element4{ margin-top:10px; }