body{ background: #ffff99; center; 
color: oreen;　
font-size: 1.2em;
font-family: "ms pゴシック",Osaka.sans-serif;
line-height: 1.5em;　
}


h1{　　　　　
font-size: 2em; 
color: seagreen;
text-align: center; 
/*border-bottom: 2pt solid*/
}  

h2{ 
margin-left: 10%; 
margin-right: 10%; 
font-size: 1.2em;
color: white; 
text-align: center;
border: thick double teal; 
background: seagreen;
padding: 6px;　
}


h3{ margin-left: 20%; margin-right: 20%: 
font-size: 0.9em; 
color: seagreen; 
text-align: left;
 margin-left: 20%; 
margin-right: 10%;  
}
 

p{ 
margin-left: 20%; margin-right: 20%;
text-indent: 0.9em; 
color: seagreen;  
 } 


pre{ 
font-size:0.9em; 
color: darkviolet;
}  

strong{　
font-size: 1.2em;
color: red
}

em{　
font-style: italic;
color:darkviolet;
}

img.float-r {
float: right;margin-right: 10%;
}

img.float-l {
floa
t: left;margin-left: 10%;
}

.center {
text-align: center;
}