.course{
    width:1000px;
    height:850px;
    background: rgba(140, 140, 138, 0.7);
    /*padding:60px 0 0 300px;*/
    margin: 80px auto 0 auto;
    border-radius: 5px;
    overflow-y: hidden;
}
.left1{
    width:200px;
    /*background: #CCD5F1;*/
    height:850px;
    float: left;
    margin-left: 30px;
    margin-top: 55px;
    /*display: flex;*/
}
.right1{
    width:740px;
    /*height:580px;*/
    margin:0 auto;
    float: left;
    /*display: flex;*/
    /*justify-content: space-between;*/
    /*align-items: center;*/
}
.right2{
    /*margin: 0 auto;*/
    /*padding: 0 auto;*/
    display: flex;
    justify-content: center;
}
#menu{
    /*display: flex;*/
}
#menu a{
    color: #fff;
    width: 185px;
    height: 36px;
    font-weight:700;
    background: #e18e28;
    border: 2px solid #ccc;
    border-radius: 5px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 10px;
    margin-left: 6px;
}
#menu a:hover{
    background: #ccc;
    color: #752402;
}
#menu p{
    /*background: #ccc;*/
    color: #752402;
}
table {
    border-collapse: collapse;
    font-family: Futura, Arial, sans-serif;

}

caption {
    font-size: larger;
    margin: 1em auto;
    color:#fff;
    font-weight:900;
    letter-spacing:5px
}

th,td {
    padding: .65em;
}

th {
    background: #080808 none repeat scroll 0 0;
    /* border: 1px solid #777; */
    color: #fff;
    text-align:center;
}

td {
    /* border: 1px solid #777; */
}

tbody tr:nth-child(odd) {
    background: #ccc;
}
tbody tr:nth-child(even) {
    background: #e18e28;
}

th:first-child {
    border-radius: 9px 0 0 0;
}

th:last-child {
    border-radius: 0 9px 0 0;
}

tr:last-child td:first-child {

    border-radius: 0 0 0 9px;

}
tr:last-child td:last-child {
    border-radius: 0 0 9px 0;
}
pre{
    font-size:16px;
    line-height:23px;
}