.content-aside { margin-left: 40px; }

.block-signIn { margin-bottom: 52px; }

.block-product { margin-bottom: 20px; }

.block-thumbnail { margin-right: 1em; }

@media screen and (min-width: 768px) and (max-width: 1004px) { .content-aside { margin-left: 20px; }
  .block-signIn { margin-bottom: 26px; }
  .block-product { margin-bottom: 10px; } }
@media screen and (max-width: 1004px) { .block-description ul { margin-bottom: 0; } }
@media screen and (max-width: 767px) { .content-aside { margin-left: 0; }
  .block-signIn { margin: 0; padding: 10px 0; } }