diff --git a/content/00.front-matter.md b/content/00.front-matter.md
index 18cd8571..6219bb6f 100644
--- a/content/00.front-matter.md
+++ b/content/00.front-matter.md
@@ -23,15 +23,15 @@ on {{date}}.
 {% for author in authors %}
 + **{{author.name}}**<br>
   {%- if author.orcid is defined %}
-    ![ORCID icon](images/orcid.svg){height="13px"}
+    ![ORCID icon](images/orcid.svg){height="13px" width="13px"}
     [{{author.orcid}}](https://orcid.org/{{author.orcid}})
   {%- endif %}
   {%- if author.github is defined %}
-    · ![GitHub icon](images/github.svg){height="13px"}
+    · ![GitHub icon](images/github.svg){height="13px" width="13px"}
     [{{author.github}}](https://github.com/{{author.github}})
   {%- endif %}
   {%- if author.twitter is defined %}
-    · ![Twitter icon](images/twitter.svg){height="13px"}
+    · ![Twitter icon](images/twitter.svg){height="13px" width="13px"}
     [{{author.twitter}}](https://twitter.com/{{author.twitter}})
   {%- endif %}<br>
   <small>