How To Change Blog Title Font Size [Large / Small / Normal]

Login to Blogger -> Layout (Layout) -> Edit HTML Find the following line of code (press F3):

 

# header h1 {
margin: 5px 5px 0;
padding: 15px 20px .25 em;
line-height: 1.2em;
text-transform: uppercase;
letter-spacing: .2 em;
font: $ pagetitlefont;
}

Change text-transform variable as desired.
- All uppercase uppercase =
- All lowercase = lowercase
- Or normal

Save the template.

Note:
- To change the description of how to write blogs, find and change the text-transform code in the following lines of code:
# header. description {
margin: 0 5px 5px;
padding: 0 20px 15px;
max-width: 700px;
text-transform: uppercase;
letter-spacing: .2 em;
line-height: 1.4em;
font: $ descriptionfont;
color: $ descriptioncolor;
}