diff --git a/docs/source/about.rst b/docs/source/about.rst
index e053e78f7fa622a95e4e0c6c4d96c42caaf7ce5e..befa9a60e8f421e7cc16d43bb3a4e961e6a15a34 100644
--- a/docs/source/about.rst
+++ b/docs/source/about.rst
@@ -30,8 +30,7 @@ Concept Collaborators
 ---------------------
 
 .. figure:: img/dalvan_picture.jpeg
-   :align: left
-   :width: 150
+   :width: 30%
    :target: http://orcid.org/0000-0002-4690-3964
    :alt: Dalvan's picture
    :class: with-shadow
@@ -39,8 +38,7 @@ Concept Collaborators
    Dalvan Griebler
 
 .. figure:: img/schepke_picture.jpg
-   :align: center
-   :width: 150
+   :width: 30%
    :target: http://orcid.org/0000-0003-4118-8831
    :alt: Claudio's picture
    :class: with-shadow
@@ -48,8 +46,7 @@ Concept Collaborators
    Claudio Schepke
 
 .. figure:: img/gustavo_picture.jpeg
-   :align: right
-   :width: 150
+   :width: 30%
    :target: http://orcid.org/0000-0002-7506-3685
    :alt: Luiz's picture
    :class: with-shadow