Use the Helvetica font.

poster.Rmd

@@ -31,8 +31,8 @@ affiliation_textsize: "14pt"
 reference_textsize: "16pt"
 
 column_numbers: 2
-font_family: "tahoma"
-titletext_fontfamily: "palatino"
+font_family: "helvetica"
+titletext_fontfamily: "helvetica"
 
 output:
   posterdown::posterdown_html:
@@ -50,7 +50,7 @@ knit: pagedown::chrome_print
 
 <style>
 .poster_body h1 {
-    font-family: "Palatino", "URW Palladio L", "serif";
+    font-family: "Helvetica";
 }
 
 body {
@@ -67,17 +67,17 @@ h5 br {
 }
 
 .poster_title h3 {
-    font-family: "Palatino", "URW Palladio L", "serif";
+    font-family: "Helvetica";
 }
 
 .poster_title h5 {
-    font-family: "Palatino", "URW Palladio L", "serif";
+    font-family: "Helvetica";
     width: 120%;
     margin-left:-10%;
 }
 
 .title_container {
-    height: 140mm; }
+    height: 150mm; }
 
 img[src*='#logo'] {
     width: 10%;
@@ -94,9 +94,9 @@ img[src*='#logo'] {
 knitr::opts_chunk$set(echo = FALSE)
 ```
 
-![](./images/university-of-washington-501924867.gif){height=250 style="position: absolute; top: 3900px; left: 800px;"}
-![](./images/Block_S_2_color_red.png){height=250 style="position: absolute; top: 3900px; left: 1100px;"}
-![](./images/biu_logo.png){height=250 style="position: absolute; top: 3900px; left: 1300px;"}
+![](./images/university-of-washington-501924867.gif){height=250 style="position: absolute; top: 3800px; left: 800px;"}
+![](./images/Block_S_2_color_red.png){height=250 style="position: absolute; top: 3800px; left: 1100px;"}
+![](./images/biu_logo.png){height=250 style="position: absolute; top: 3800px; left: 1300px;"}
 
 # Background
 

poster.html

@@ -16,8 +16,8 @@
 <!--
 Google fonts api stuff
 -->
-<link href='https://fonts.googleapis.com/css?family=tahoma' rel='stylesheet'>
-<link href='https://fonts.googleapis.com/css?family=palatino' rel='stylesheet'>
+<link href='https://fonts.googleapis.com/css?family=helvetica' rel='stylesheet'>
+<link href='https://fonts.googleapis.com/css?family=helvetica' rel='stylesheet'>
 
 
 
@@ -41,7 +41,7 @@
 height: 46in;
 padding: 0;
 text-align: justify;
-font-family: tahoma;
+font-family: helvetica;
 }
 .poster_wrap {
 width: 33in;
@@ -85,7 +85,7 @@
 -webkit-transform: translateY(-50%);
 }
 #title {
-font-family: palatino;
+font-family: helvetica;
 }
 /* unvisited link */
 a:link {
@@ -297,7 +297,7 @@ <h5 id="affiliation"><sup>1</sup> Department of Psychology, University of Washin
 <div class='poster_body'>
 <style>
 .poster_body h1 {
-    font-family: "Palatino", "URW Palladio L", "serif";
+    font-family: "Helvetica";
 }
 
 body {
@@ -314,17 +314,17 @@ <h5 id="affiliation"><sup>1</sup> Department of Psychology, University of Washin
 }
 
 .poster_title h3 {
-    font-family: "Palatino", "URW Palladio L", "serif";
+    font-family: "Helvetica";
 }
 
 .poster_title h5 {
-    font-family: "Palatino", "URW Palladio L", "serif";
+    font-family: "Helvetica";
     width: 120%;
     margin-left:-10%;
 }
 
 .title_container {
-    height: 140mm; }
+    height: 150mm; }
 
 img[src*='#logo'] {
     width: 10%;
@@ -336,9 +336,9 @@ <h5 id="affiliation"><sup>1</sup> Department of Psychology, University of Washin
 }
 
 </style>
-<p><img src="images/university-of-washington-501924867.gif" style="position: absolute; top: 3900px; left: 800px;" height="250" />
-<img src="images/Block_S_2_color_red.png" style="position: absolute; top: 3900px; left: 1100px;" height="250" />
-<img src="images/biu_logo.png" style="position: absolute; top: 3900px; left: 1300px;" height="250" /></p>
+<p><img src="images/university-of-washington-501924867.gif" style="position: absolute; top: 3800px; left: 800px;" height="250" />
+<img src="images/Block_S_2_color_red.png" style="position: absolute; top: 3800px; left: 1100px;" height="250" />
+<img src="images/biu_logo.png" style="position: absolute; top: 3800px; left: 1300px;" height="250" /></p>
 <div id="background" class="section level1">
 <h1>Background</h1>
 <ul>