fix css

Author: phfaist

doc/_static/custom.css

@@ -1,5 +1,4 @@
-@import url('https://fonts.googleapis.com/css2?family=Source+Code+Pro:ital,wght@0,300;0,500;1,300;1,500&family=Merriweather:ital,opsz,wght@0,18..144,300..900,1,18..144,300..900&display=swap');
-
+@import url('https://fonts.googleapis.com/css2?family=Merriweather:ital,opsz,wght@0,18..144,300..900;1,18..144,300..900&family=Source+Code+Pro:ital,wght@0,200..900;1,200..900&display=swap');
 
 body {
     font-size: 15px;