Sidebar vs content problem

sorry for my english

strange behavior of alizee in mansory style with 3 column

  1. clien can’t see 1/3 of posts because they are hidden.
    screenshort: https://yadi.sk/i/9FZW3HTtjSSGU
    i think will be good if posts will move down like if I change wondow size
    screenshort: https://yadi.sk/i/9FZW3HTtjSSGU
    https://yadi.sk/i/LYRUBlg2jSSTB

  2. client can’t see part of postcard if sidebar is open
    https://yadi.sk/i/TIIwcftPjSRmW
    https://yadi.sk/i/mwCaGFjdjSRpP
    but we have big space between post and sidebar