If it 's your desired result, you can add the following codes to Home > Design > Custom Css
@media only screen and (min-width: 800px) {
.header-announcement-bar-wrapper {
position: fixed !important;
top: 0;
left: 0;
bottom: 0;
width: 200px !important;
padding-right: 0 !important;
}
.header-display-desktop {
display: block;
}
.header-nav .header-nav-list {
flex-direction: column;
}
}
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