body{
    line-height : 1.5;
    color : black;
    background-color : white;
}
h1{
    background-color : deepskyblue;
    padding-left: 5px;
}
h2,h3,h4,h5,h6{
    background-color : lightskyblue;
    padding-left: 5px;
}
dt{
    background-color : silver;
}
table{
    line-height : 1.4;
}
hr {
    height: 1px;
    color: blue;
    background-color: blue;
}
.hot{
    font-weight: bold;
    background-color : orange;
}
strong{
    background-color : gold;
    padding: 0px 5px 0px 5px
}
blockquote {
    background-color: lightgray;
}
ol,ul {
    margin-bottom: 5px;
}