h1 {color:red;}
h2 {color:blue;}
h3 {font-family: verdana;}
h4 {font-family: verdana;}
h4 {font-size: medium;}
h4 {color: green;}
time {
      font-size: medium;
      font-family: verdana; 
      color: blue;}
speaker {
      font-size: medium;
      font-family: verdana; 
      color: red;}
topic {
      font-size: medium;
      font-family: verdana; 
      color: green;}

.sidebar li {
color: red;
background: #ffff00;
padding: 10px;
margin: 10px;
}
.main dt {color: red; font-family: verdana;}
.main dd {color: green; font-family: verdana;}
body{
margin:0; padding:0;
}
.masthead{
background:  lightblue;
background-image: url(conform.jpg);
background-repeat: no-repeat;
padding: 10px;
font-family: verdana;
font-weight: bold;
text-align: center;
font-size: x-large;
border-bottom-style: groove;
border-bottom-color: blue;
}
.main{
width: 70%;
font-family: verdana;
background:  lightgray;
float: left;
padding: 10px;
right-margin: 75%;
padding-right: 30%;
border-bottom-style: groove;
border-bottom-color: blue;
}

.sidebar{
position:absolute;
font-family: verdana;
border-style: ridge;
border-width: thick;
border-color:red;
top: 60px;
left: 82%;
float: left;
width: 15%;
background: lightgreen;
}