Search Bar At Top of Page and Post

I’m having trouble getting the search bar to show on all pages and posts. I can get it to show up on posts after reloading. Unable to get on the homepage
kioskindustry.org

Here is additional CSS

picture img {
max-width: 100%;
height: auto;
}
@media screen and (min-width: 767px) {
picture img {
margin-right: 20px;
}
}
@media screen and (max-width: 620px) {
.search .site {
padding: 24px;
}
}
table th, table td{
display: table-cell;
vertical-align: top;
}