How can I change the thickness of my tag

Question

I want to change the thickness of my horizontal rule (

---

)in CSS. I know it can be done in HTML like so -

Answer 1

I believe the best achievement for styling

---

tag is as follow:

hr {
color:#ffffd;
background-color:
#ffffd; height:1px;
border:none;
max-width:100%;
}

And for the HTML code just add:

---

.