html, body {
  background-color: #373B40 !important;
  color: #DEDEDE !important;
}

body {
  font-family: Arial, sans-serif;
  max-width: 900px;
  margin: 50px auto;
  padding: 0 30px;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  color: #DEDEDE !important;
}

p, li, strong, em {
  color: inherit;
}