.syntaxhighlighter .code {
  border: 1px solid #d4d0c8 !important;
}
.syntaxhighlighter table caption {
  background-color: #d4d0c8 !important;
}
.syntaxhighlighter .line.alt1, .syntaxhighlighter .line.alt2 {
  background-color: #f6f6f6 !important;
}