[Theme Horse Support Team]

Hi Waldjunge,

You can try below CSS code. Go to Appearance > Customize > Ambition Theme Options > Custom CSS and paste the following CSS code in the field and Click on Save & Publish button:

.narrow-layout .info-bar {
    position: fixed;
    width: 1230px;
    z-index: 100;
}
.narrow-layout .hgroup-wrap {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 34px;
    width: 1230px;
    z-index: 100;
}
@media only screen and (max-width: 1290px) {
	.narrow-layout .info-bar,
        .narrow-layout .hgroup-wrap {
		width: 964px;
	}
}
@media only screen and (max-width: 1023px) {
	.narrow-layout .hgroup-wrap,
        .narrow-layout .info-bar {
		width: 708px;
	}
}
@media only screen and (max-width: 767px) {
	.narrow-layout .hgroup-wrap,
        .narrow-layout .info-bar {
		width: 300px;
	}
}
@media only screen and (min-width: 480px) and (max-width: 767px) {
	.narrow-layout .hgroup-wrap,
        .narrow-layout .info-bar {
		width: 460px;
	}
}
@media only screen and (max-width: 767px) {
        .narrow-layout .hgroup-wrap {
                top: 0;
        }
}

Thank you!