.dialog_join_group {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    z-index: 10;
    padding: 45px;
    background: rgb(255,255,255);
    border-radius: 6px;
    box-shadow: 0 0 4px 0 rgba(0,0,0,0.5);
    text-align: center;
}
.join_group_close {
    font-size: 24px;
    line-height: 1;
    padding: 0 5px;
    color: #cccccc;
    position: absolute;
    right: 10px;
    top: 10px;
    cursor: pointer;
}
.join_group_title {
    font-size: 18px;
    color: #007722;
}
.join_group_desc {
    font-size: 13px;
    color: #9b9b9b;
    padding: 11px 0 20px;
}
.join_group_comfirm, .join_group_cancel {
    display: inline-block;
    font-size: 13px;
    width: 70px;
    height: 30px;
    margin: 0 10px;
    line-height: 30px;
    border-radius: 3px;
    border-width: 1px;
    border-style: solid;
    box-sizing: border-box;
}
a.join_group_comfirm, button.join_group_comfirm {
    border-color: #3AA253;
    background: #3AA253;
    color: #ffffff;
}
a.join_group_cancel {
    border-color: #dddddd;
    background: #ffffff;
    color: #666666;
}