.student_2rb {
}

    .student_2rb .t1 li {
        float: left;
        width: 140px;
        text-align: center;
        font-size: 16px;
        height: 30px;
        line-height: 30px;
        background-color: #e3e3e3;
        margin: 28px 25px;
        cursor: pointer;
        border: 1px #e3e3e3 solid;
    }

        .student_2rb .t1 li:hover, .student_2rb .t1 li.act {
            background-color: white;
            border: 1px red solid;
            color: red;
        }

        .student_2rb .t2 {
            font-size: 14px;
        }

        .student_2rb .t2 .title {
            border: #e5e5e5 solid;
            border-width: 1px 0px 1px 0px;
            height: 43px;
            line-height: 43px;
        }

            .student_2rb .t2 .title span {
                margin: 0px 145px;
            }
            .student_2rb .t2 .title span +span{
                margin: 0px 50px;
            }

        .student_2rb .t2 .item_list {
            height: 35px;
            line-height: 35px;
            cursor: pointer;
        }
        .student_2rb .t2 .item_list a{
            color: #777777;
        }
        .nomsg{
            width: 100%;
            text-align: center;
            display: block;
            line-height: 50px;
        }
        .student_2rb .t2 .item_list a:hover{
            color: #eb5e23;
        }
        .student_2rb .t2 .item_list .time {
            margin: 0px 85px;
        }

        .student_2rb .t2 .item_list .cont {
            display:inline;
        }

        .student_2rb .t2 .item_list .cont img {
            display: inline;
            padding-bottom: 8px;
            padding-right: 3px;
            width: 20px;
        }
        .msgcontent{
            height: 500px;
        }