[skip ci] Fix overlapping text in the guide
[skip ci] Fix overlapping text in the guide

Fix a layout issue in the rails guides, where the navigation covers the main text,
if the page is between 800 and 960 pixels wide. (issue #33406)
kmcphillips/rails,Erol/rails,yawboakye/rails,utilum/rails,jeremy/rails,notapatch/rails,jeremy/rails,eileencodes/rails,bogdanvlviv/rails,starknx/rails,Erol/rails,shioyama/rails,illacceptanything/illacceptanything,georgeclaghorn/rails,betesh/rails,Envek/rails,Edouard-chin/rails,yahonda/rails,illacceptanything/illacceptanything,notapatch/rails,joonyou/rails,schuetzm/rails,prathamesh-sonpatki/rails,illacceptanything/illacceptanything,starknx/rails,utilum/rails,Envek/rails,mohitnatoo/rails,lcreid/rails,arunagw/rails,flanger001/rails,vipulnsward/rails,BlakeWilliams/rails,tjschuck/rails,illacceptanything/illacceptanything,kmcphillips/rails,illacceptanything/illacceptanything,palkan/rails,MSP-Greg/rails,EmmaB/rails-1,georgeclaghorn/rails,shioyama/rails,mechanicles/rails,utilum/rails,arunagw/rails,illacceptanything/illacceptanything,yhirano55/rails,Vasfed/rails,illacceptanything/illacceptanything,palkan/rails,georgeclaghorn/rails,rails/rails,starknx/rails,Stellenticket/rails,vipulnsward/rails,BlakeWilliams/rails,mohitnatoo/rails,Vasfed/rails,gauravtiwari/rails,esparta/rails,flanger001/rails,repinel/rails,bogdanvlviv/rails,lcreid/rails,Edouard-chin/rails,iainbeeston/rails,Envek/rails,kddeisz/rails,kmcphillips/rails,repinel/rails,illacceptanything/illacceptanything,palkan/rails,Erol/rails,kddeisz/rails,Stellenticket/rails,baerjam/rails,prathamesh-sonpatki/rails,notapatch/rails,Vasfed/rails,yawboakye/rails,rails/rails,tjschuck/rails,arunagw/rails,baerjam/rails,rafaelfranca/omg-rails,bogdanvlviv/rails,schuetzm/rails,esparta/rails,tgxworld/rails,eileencodes/rails,rails/rails,yhirano55/rails,Edouard-chin/rails,fabianoleittes/rails,flanger001/rails,vipulnsward/rails,mohitnatoo/rails,georgeclaghorn/rails,iainbeeston/rails,mechanicles/rails,joonyou/rails,tgxworld/rails,Vasfed/rails,yalab/rails,prathamesh-sonpatki/rails,betesh/rails,Envek/rails,betesh/rails,yawboakye/rails,yalab/rails,kddeisz/rails,yahonda/rails,joonyou/rails,esparta/rails,yalab/rails,EmmaB/rails-1,fabianoleittes/rails,rafaelfranca/omg-rails,tgxworld/rails,jeremy/rails,MSP-Greg/rails,mechanicles/rails,kddeisz/rails,eileencodes/rails,Stellenticket/rails,flanger001/rails,Edouard-chin/rails,schuetzm/rails,vipulnsward/rails,betesh/rails,illacceptanything/illacceptanything,illacceptanything/illacceptanything,illacceptanything/illacceptanything,tjschuck/rails,printercu/rails,utilum/rails,arunagw/rails,baerjam/rails,tgxworld/rails,Stellenticket/rails,prathamesh-sonpatki/rails,shioyama/rails,schuetzm/rails,yalab/rails,gauravtiwari/rails,baerjam/rails,mechanicles/rails,illacceptanything/illacceptanything,eileencodes/rails,bogdanvlviv/rails,notapatch/rails,yahonda/rails,Erol/rails,jeremy/rails,printercu/rails,illacceptanything/illacceptanything,MSP-Greg/rails,fabianoleittes/rails,tjschuck/rails,lcreid/rails,fabianoleittes/rails,repinel/rails,mohitnatoo/rails,yhirano55/rails,MSP-Greg/rails,esparta/rails,illacceptanything/illacceptanything,gauravtiwari/rails,iainbeeston/rails,BlakeWilliams/rails,palkan/rails,BlakeWilliams/rails,illacceptanything/illacceptanything,rafaelfranca/omg-rails,shioyama/rails,printercu/rails,yawboakye/rails,lcreid/rails,repinel/rails,printercu/rails,yahonda/rails,yhirano55/rails,rails/rails,kmcphillips/rails,joonyou/rails,iainbeeston/rails,EmmaB/rails-1