Use Custom CSS In SharePoint 2013

Here are the steps
 
Open SharePoint team site.
 
Open SharePoint team site
 
Open SharePoint Designer.
 
Create a new custom.CSS file under Site Assets.
 
custom.CSS
 
Set the alternate CSS URL.
 
Click site actions, then site settings.
 
Under look and feel.
 
Click Masterpage.
 
Masterpage
 
In the first step remove the Page title.
 
customize
 
Code:
  1. #pageTitle{  
  2.    Display:none;  
  3. }  
Result:
 
see Result
 
The next step is to remove the Edit Links Option on the page
 
remove the Page title
 
Code:
  1. #zz13_TopNavigationMenu_NavMenu_Edit{  
  2.    display:none;  
  3. }  
Result:
 
Edit Links Option
 
Remove the left quick links bar.
 
quick links bar
 
Code:
  1. #sideNavBox  
  2. {  
  3.    display:none;  
  4. }  
Result:
 
Remove the left quick links bar
 
Move the widgets to the left margin.
 
Code:
  1. #contentBox  
  2. {  
  3.    margin-left:10px;  
  4. }  
Result:
 
Move the widgets to left margin
 
Now remove all the default widgets from the page and add some webparts.
 
Set the background color for webpart header, fonts.
 
Going to set the backgroud
 
Code:
  1. .ms - webpart - titleText.ms - webpart - titleText, .ms - webpart - titleText > a {  
  2.     background - color: Orange;  
  3.     font - size12 px;  
  4.     font - weight: bold;  
  5.     color: White;  
  6.     padding5 px 5 px;  
  7.     border - top - left - radius: 1e m;  
  8.     border - top - right - radius: 1e m;  
  9. }  
Result:
 
backgroud color
 
The next one is to remove the browse, follow, and share from the top ribbon.
 
Code:
  1. #s4-ribbonrow{  
  2.    display:none;  
  3. }  
Result:
 
Result
 
Remove another bar.
 
Code:
  1. #suiteBar  
  2. {  
  3.    Display:none;  
  4. }  
Result:
 
Remove the another bar
 
Full code:
  1. #  
  2. pageTitle {  
  3.     Display: none;  
  4. }#  
  5. zz13_TopNavigationMenu_NavMenu_Edit {  
  6.     displaynone;  
  7. }#  
  8. sideNavBox {  
  9.   
  10.     displaynone;  
  11. }#  
  12. contentBox {  
  13.     margin - left: 10 px;  
  14. }  
  15. .ms - webpart - titleText.ms - webpart - titleText, .ms - webpart - titleText > a {  
  16.     background - color: Orange;  
  17.     font - size12 px;  
  18.     font - weight: bold;  
  19.     color: White;  
  20.     padding5 px 5 px;  
  21.     border - top - left - radius: 1e m;  
  22.     border - top - right - radius: 1e m;  
  23. }#  
  24. s4 - ribbonrow {  
  25.     displaynone;  
  26. }#  
  27. suiteBar {  
  28.     Display: none;  
  29. }  
This the of branding the SharePoint page using custom CSS.