message: Fixed styles, aligned download links to center, added microsoft store link
diff: <style>
  a.link {
  - border: 1px solid #e2e2e2;
  + border: 1px solid #000;
  display: block;
  width: 180px;
  height: 60px;
  }
  table.linktable {
  border:none;
  - width:100%;
  - margin: 0 auto;
  + display: table;
  }
  table.linktable tr {
  border: none;
  }
  table.linktable td {
  border:none;
  - width: 30%;
  + }
  + table.linktable td .win-link {
  + margin-top: 10px;
  + }
  + table.linktable td .mac-link {
  + margin-top: 6px;
  }
  table.linktable p {
  width: 180px;
  @@ -94,14 +98,14 @@ Toggl built and signed apps for all platforms
  <br/>
  <a class="link" href="https://toggl.github.io/toggldesktop/download/windows64-stable/">64bit</a>
  <br/>
  - <!--a class="link disabled" href='#'><img src='https://assets.windowsphone.com/85864462-9c82-451e-9355-a3d5f874397a/English_get-it-from-MS_InvariantCulture_Default.png' alt='Download Toggl Desktop on Microsoft Store' width="180"/></a-->
  + <a class="link" href='//www.microsoft.com/store/apps/9nk3rf9nbjnp?cid=storebadge&ocid=badge'><img class="win-link" src='https://user-images.githubusercontent.com/842229/63852913-13779600-c9a2-11e9-87bd-9898ece07148.png' alt='Download Toggl Desktop on Microsoft Store'/></a>
  </td>
  <td valign="top">
  <p>Mac</p>
  <br>
  <a class="link" href="https://toggl.github.io/toggldesktop/download/macos-stable/">64bit</a>
  <br>
  - <a href='https://itunes.apple.com/ee/app/toggl-desktop/id957734279?mt=12'><img width='180' alt='Download Toggl Desktop on the App Store' src='https://user-images.githubusercontent.com/842229/63749496-3d528f00-c8b4-11e9-8072-b40f629563c3.png'/></a>
  + <a class="link" href='https://itunes.apple.com/ee/app/toggl-desktop/id957734279?mt=12'><img class="mac-link" alt='Download Toggl Desktop on the App Store' src='https://user-images.githubusercontent.com/842229/63853927-9863af00-c9a4-11e9-8c5d-c00f0c7b7536.png'/></a>
  <br/>
  <br/>
  </td>
  