I want to shift my menue & logo down by 1700px in homepage inly but i cant fix this issue

this is the code
.page-id-734 .header-scrolled .main_menu .menu{
top: 7px !important;
}
.page-id-734 #top .main_menu .menu{
position: relative;
top: 1700px;
}
.page-id-734 #top .main_menu .menu > li > a{
height: 50px !important;
line-height: 50px !important;
}
.page-id-734 .main_menu { margin-top: -30px; }
.page-id-734 .header-scrolled .main_menu { margin-top: 0; }
.page-id-734 .logo img { margin-top: 1000px; }
.page-id-734 .header-scrolled .logo img { margin-top: 0; }

.scroll-down-link {
font-size: 150px !important;