/**提示**/

.dialog {
    background-color: #000;
    z-index: 9999;
    color: #fff;
    line-height: 22px;
    padding: 10px 20px;
    border-radius: 5px;
    position: fixed;
    top: 50%;
    left: 50%;
    box-sizing: border-box;
    text-align: center;
    max-width: 60%;word-break:break-all; 
}
 
.navbar-brand{    background-color: rgb(0, 0, 0);
    padding: 16px 20px;
    color: #fff;
 }