Transform the following HTML into valid CSS.
<h1 style="font-family:sans-serif; font-size:1.3em; color: red;">Welcome to my page</h1>
h1 {
  font-family: sans-serif;
  font-size: 1.3em;
  color: red;
}
Complete the following task based on the instruction and optional input provided.### Instruction:
Transform the following HTML into valid CSS.

### Input:
<h1 style="font-family:sans-serif; font-size:1.3em; color: red;">Welcome to my page</h1>

### Output:
h1 {
  font-family: sans-serif;
  font-size: 1.3em;
  color: red;
}