body {
    background-color: #f4f6f9;
}
.top-bar {
    border-bottom: 1px #2f8aef solid;
}
.msg-list {
    padding-top: 20px;
    margin-bottom: 20px;
}
.m-l {
    border-radius: 4px;
    margin-top: 20px;
    background-color: #fff;
    position: relative;
}
.m-h {
    background-color: #ddd;
    box-sizing: border-box;
    padding: 10px 15px;
    font-size: 14px;
    font-weight: bold;
}
.m-ls {
    padding: 0 15px;
    min-height: 600px;
}

.m-i {
    display: table;
    width: 100%;
    padding: 25px 0;
    border-bottom: 1px #ddd solid;
}
.m-t {
    font-size: 18px;
    color: #333;
    float: left;
    width: 60%;
}
.m-d {
    float: right;
    font-size: 12px;
    color: #8a8a8a;
    padding-top: 10px;
}
.m-p {
    padding: 30px 20px;
    text-align: right;
}