Make CSS color with linear Gradients

Question

I am new to CSS users, I really like this color. Is there anyone who knows how to make the background color like the picture that I point to blow?

I try to use linear gradients but did not get it.

Answer 1

Try This Code

Generated From This Page https://cssgradient.io/

.ht{
background: rgb(77,77,77);
background: linear-gradient(180deg, rgba(77,77,77,1) 0%, rgba(42,42,42,1) 100%, rgba(0,212,255,1) 100%);width:500px;height:500px;
}

<div class="ht"><h1>Cool Background </h1></div>