.loading-box{
    max-width:650px;
    margin:40px auto;
    background:#1b1b1b;
    color:#fff;
    border-radius:6px;
    text-align:center;
    padding:25px 35px 35px;
}

.loading-title{
    font-size:26px;
    font-weight:700;
    margin-bottom:15px;
}

.progress{
    width:100%;
    height:4px;
    background:#333;
    margin-bottom:20px;
}

.progress-bar{
    width:70%;
    height:100%;
    background:#e53935;
}

.loading-text{
    font-size:15px;
    color:#ddd;
    margin-bottom:25px;
}

.leave-btn{
    background:#e53935;
    border:none;
    padding:12px 30px;
    color:white;
    border-radius:4px;
}