body{
       width:100%;
       background-color:#AAAAAA;    
       text-align: center;
       
}
a{
    text-decoration:none;/*【清除链接的下划线】*/
}
nav{
    height:135px;
    background-color:#FFFFFF;
    width:1000px;
    display: inline-block;
    background-image:url(image/santa-clarita-fire-1200.jpg);
}

nav ul li{
    float:left;
    display:inline;
    margin-right:10px;
}

.maincontent{
    width:1000px;
    background-color:#EEEEFF;
    display: inline-block; 
}
.content{
    margin-top:10px;
    margin-left:10px;
    margin-bottom:10px;

    width:75%;
    /*box-shadow:0 10px 20px 0 rgba(0,0,40,0.6);*/
}
.article{
    background-color:#FFFFFF;   
    border-style:solid;

}

.article  header{
     /*background:url(image/gradient.jpg);
    background-repeat:repeat-x;
    background-size:100% 200%;
   background-color:#eeeeff;
    box-shadow:0 10px 20px 0 rgba(0,0,116,0.6);
    padding:1px;*/
    margin-bottom:20px;
}

.article p{
    text-align:left;
    text-indent:2em;
}

.info{
    font-size:75%;
}
.warning {
    color:#FF0000;
    text-indent:2em;
}

.video_article content{
    margin-bottom:20px;
}



.sidebar{
    float:right;
    width:30%;
    margin-top:10px;
    margin-right:10px;
    padding:0px;
    border-style:solid;
    border-width:2px;
    border-color:#00AA00;
    background-color:#FFFFFF;
}

.sidebar header{

}
.sidebar ul{
    margin:0px;
    padding:0px;
    list-style: none;
}
.sidebar ul li{
    float:left;
    width:100%;
    background-color:#EEEEEE;
    text-align:center;
}

.sidebar ul li a{
    text-decoration:none;
    background-color:#FFFFFF;
    width:100%;
    margin:0px;
    padding:0px;
    float:left; 
    overflow: hidden; 
    text-overflow: ellipsis; 
    white-space: nowrap;
}