.message-icon-box {
    .message-list {
        max-height: 410px;
        overflow-y: auto;
        overflow-x: hidden;
    }
    .message-item-a {
        display: block;
        height: 30px;
        width: 310px;
        padding: 10px 15px;
        border-bottom: 1px solid $M4;

        background-color: #ffffff;
        @include transition((background-color 0.3s $Ease));
        span {
            display: block;
            float: left;
            line-height: 30px;
        }
        .icon-box {
            text-align: center;
            width: 30px;
            height: 30px;
            border-radius: 30px;
            color: #fff;
            background: #96bf65;
            overflow: hidden;
        }
        .message-item-img {
            display: inherit;
            width: 100%;
            height: 100%;
        }
        .content {
            font-size: 14px;
            margin-left: 5px;
            color: $M1;
            font-family: $font-family-H;
            @include transition((color 0.3s $Ease));
        }
        .num {
            font-size: 20px;
            color: $C2;
            margin-left: 10px;
        }
        .date {
            font-size: 12px;
            color: $M3;
            float: right;
        }
        &:hover {
            background-color: $M5;
            @include transition((background-color 0.2s $Ease));
            .content {
                color: $C2;
                @include transition((color 0.2s $Ease));
            }
        }
    }

    .list-wrapper-open {
        width: 340px;
        max-height: 512px;
    }
}