<dl class="profile-info">
  <dt>Name</dt><dd>ME!</dd>
  <dt>Fax</dt><dd>1-800-yikes</dd>
  <dt>Website</dt><dd>lmgtfy.com</dd>
  <dt>Email</dt><dd>me@example.com</dd>
</dl>

dl.profile-info
  dt, dd
    display: inline
    float: left
  dt
    clear: left
    width: 50px
    font-weight: bold
    &::after
      content: ":"

///////
body
  background-color: #ddd