Updated the welcome screen (#1198)

* Update welcome.html

revision of the welcome screen

* One small spacing change

---------

Co-authored-by: Marin Visscher <m.r.visscher@science.leidenuniv.nl>

Author: bsteubing

activity_browser/static/startscreen/welcome.html

@@ -21,34 +21,29 @@
 <td>
 <h1>Welcome to the Activity Browser !</h1>
 The <a href="https://github.com/LCA-ActivityBrowser/activity-browser">Activity
-Browser</a> is an open source graphical user interface designed to increase the productivity when working with the <a href="https://brightway.dev/" rel="nofollow">Brightway2</a>
-advanced life cycle assessment framework. </td>
+Browser</a> is an open source graphical user interface designed to increase the productivity when working with the
+    <a href="https://brightway.dev/" rel="nofollow">Brightway2</a> LCA framework.
+</td>
 </tr>
 </tbody>
 </table>
 
-<h2>Stay up-to-date</h2>
+<h3>Stay up-to-date</h3>
 The AB has two mailing lists:
  <ul>
     <li> <a href="https://brightway.groups.io/g/AB-updates">Updates on AB development (e.g. new versions)</a></li>
     <li> <a href="https://brightway.groups.io/g/AB-discussion">User channel for any topic related to the AB</a></li>
 </ul>
 
-<h2>More information</h2>
-You can also visit the <a href="https://github.com/LCA-ActivityBrowser/activity-browser/wiki"> github wiki page</a>, or the activity browser <a href="https://www.youtube.com/@activity-browser">YouTube channel</a>.
-
-<h2>Key features</h2>
+<h3>Some highlights</h3>
 
  <ul>
-    <li>Manage brightway2 projects, databases and activities (increasing your productivity with brightway)</li>
-    <li>Calculate fast LCA results (use "calculation setups" to calculate LCA results for several reference flow and impact categories at once)</li>
-    <li>Easily plot and export your LCA results (contribution analyses, Monte Carlo simulations)</li>
-    <li>Visualize your results in Sankey diagrams or explore your database with the Graph Explorer</li>
+    <li><b>Fast LCA calculations:</b> for multiple reference flows, impact categories, and scenarios</li>
+    <li><b>A productivity tool for brightway:</b> model in brightway (python) and see the results in the AB or vice-versa</li>
+    <li><b>Advanced modeling:</b> Use parameters, scenarios (including prospective LCI databases from <a href="https://premise.readthedocs.io/">premise</a>), uncertainties and our Graph Explorer</li>
+    <li><b>Advanced analyses:</b> Contribution analyses, Sankey Diagrams, Monte Carlo, Global Sensitivity Analysis, and a Graph Explorer</li>
 </ul>
 
-<!--<h3>Management of brightway2 projects, databases and activities</h3>-->
-<!--<br style="font-weight: bold;">-->
-
 <h3>Examples</h3>
  <table style="width:100%">
   <tr>
@@ -65,40 +60,26 @@ <h3>Examples</h3>
 
 </table>
 
-<!--<h3>Fast calculation of LCA results, contribution analyses, etc.</h3>-->
-<!--<img style="width: 378px; height: 263px;" alt="LCA results" src="LCIA results.svg" />-->
-<!--&lt;!&ndash; <img style="width: 378px; height: 263px;" alt="LCA results comparison" src="LCIA results.svg"><br> &ndash;&gt;-->
-
-<!--<h3>Monte Carlo simulation</h3>-->
-<!--<img style="width: 392px; height: 224px;" alt="Monte Carlo" src="Monte Carlo.svg" />-->
-<!--&lt;!&ndash;<img style="width: 392px; height: 224px;" alt="Monte Carlo simulation" src="MonteCarlo.png"> &ndash;&gt;-->
-
-<!--<h3>Sankey diagrams and a Graph explorer</h3>-->
-<!--<img style="width: 462px; height: 221px;" alt="Sankey" src="Sankey1.png"><br>-->
-<!-- <img style="width: 462px; height: 221px;" alt="Sankey" src="Sankey.png"><br>-->
+<h3>More information and resources</h3>
+See also the Activity Browser:
+ <ul>
+    <li><a href="https://github.com/LCA-ActivityBrowser/activity-browser">GitHub page</a></li>
+    <li><a href="https://www.youtube.com/@activity-browser">YouTube Channel</a></li>
+    <li><a href="https://github.com/LCA-ActivityBrowser/activity-browser/wiki">Wiki</a></li>
 
-<h2>Development</h2>
-The Activity Browser is an open source project written in Python and
-being developed by a number of researchers in their free time mainly
-from ETH Z&uuml;rich and
-University of Leiden (CML). Development&nbsp;is ongoing and new
-features are constantly being added.&nbsp;
+</ul>
 
-<h2>Contributing</h2>
-As the Activity Browser is a true open source project, contributions
-from the LCA community are very welcome. There are several ways in
-which you can contribute:<br>
+<h3>Contributing</h3>
+The Activity Browser is a true open source project and contributions are very welcome.
+Contributions can be made, e.g., by:<br>
 <ul>
-<li>by raising issues related to bugs or desirable features
-directly on our GitHub site (no programming skills required)</li>
-<li>by making a&nbsp;contribution to the code</li>
+    <li>raising issues related to bugs or desirable features directly on our GitHub site (no programming skills required)</li>
+    <li>making a&nbsp;contribution to the code</li>
 </ul>
 Please see <a href="https://github.com/LCA-ActivityBrowser/activity-browser/blob/master/CONTRIBUTING.md">our
-page on contributing </a>for more detailed instructions.<br>
-
-<h2>Copyright and License</h2>
-For copyright information please see the copyright on <a href="https://github.com/LCA-ActivityBrowser/activity-browser/tree/master#copyright">this page</a>.<br><br>
+page on contributing</a> for more detailed instructions.<br>
 
-<h2>Copyright and License</h2>
-For license information please see the copyright on <a href="https://github.com/LCA-ActivityBrowser/activity-browser/blob/master/LICENSE.txt">this page</a>.<br><br>
+<h3>Copyright and License</h3>
+For copyright information please see <a href="https://github.com/LCA-ActivityBrowser/activity-browser/tree/master#copyright">here</a>.<br><br>
+For license information please see <a href="https://github.com/LCA-ActivityBrowser/activity-browser/blob/master/LICENSE.txt">here</a>.<br><br>
 </body></html>