Replace the logo

static/styles/oppai/style.css

 }
 
 #logo {
-  width: 620px;
-  height: 197px;
-  background: url('images/logo.svg') no-repeat center center;
-  margin: 0 auto;
+  width: 250px;
+  height: 50px;
+  background: url('images/logo.png') no-repeat center center;
+  margin: 0 0 0 10%;
 }
 
 #logo a {
   border: none;
   width: 100%;
-  height: 197px;
+  height: 50px;
   display: block;
 }
 

static/styles/public/style.css

 }
 
 #logo {
-  height: 100px;
-  background-image: url('images/logo.svg');
+  width: 250px;
+  height: 50px;
+  background-image: url('images/logo.png');
   background-repeat: no-repeat;
   background-position: center;
   background-size: contain;
+  margin: 0 0 0 auto;
 }
 
 .centered {