normalize.css

/* Normalize.css */
/* Contents of this file must be inlined to your newsletter in production */

h1 a,
h2 a,
h3 a,
h4 a,
h5 a,
h6 a,
li a,
p a {
  /* Set sexy underline styling for links except images */
  text-decoration: none;
  color: #2837b8 !important;
  border-bottom: #d3d6f0 1px solid;
}
h1 {
  /* Mail.ru <h1> styling fix */
  font-size: 2em;
  line-height: initial;
  margin: 0.67em 0;
  padding: 0;
}
table {
  /* Null tables spaces */
  border-spacing: 0;
  border-collapse: collapse;
}
table td {
  padding: 0;
}
table th {
  padding: 0;
  font-weight: normal;
}
img {
  /* Flexible images fix + prevent any borders for images */
  max-width: 100%;
  border: 0;
  outline: 0;
  /* Set image's ALT text styling */
  color: #2837b8;
  font-size: 14px;
}
ol,
ul {
  /* We don't touch horizontal margins to prevent hiding bullets in Oultook */
  margin-top: 1em;
  margin-bottom: 2em;
}
ol li,
ul li {
  line-height: 1.6em;
  margin: 0.5em 0;
}
p {
  line-height: 1.6em;
  margin: 1em 0;
}
span.code {
  /* Monospace emphasis for code examples */
  font-family: consolas, courier, monospace;
  color: grey;
}