.login-panel .login-block .login-type-control .mark_tip {
    position: absolute;
    z-index: 9;
    top: 0;
    right: 48px;
}
.login-panel .login-block .login-type-control .mark_tip span {
    background: #92adff;
    border-radius: 3px;
    color: #fff;
    padding: 4px 10px;
}
.login-panel .login-block .login-type-control .mark_tip::before {
    position: absolute;
    z-index: 9;
    content: '';
    top: 4px;
    right: -5px;
    width: 0;
    height: 0;
    border-top: 12px solid #92adff;
    border-right: 12px solid transparent;
    transform: rotate(10deg);
}
.login-panel .login-block .login-type-control .mark_tip:after {
    position: absolute;
    top: 0;
    right: 0;
    content: '';
    width: 50px;
    height: 50px;
    background: #fff;
    transform: rotate(45deg);
    z-index: -1;
}
.login-panel .nav{
    margin-bottom: 29px;
}