css gradient code example

Example 1: gradient css background

/*From bottom to top*/
background: rgb(166,166,166);
background: linear-gradient(0deg, rgba(166,166,166,1) 0%, rgba(255,255,255,1) 29%);

Example 2: css gradient

Here a codePen with cool gradient animations:
https://codepen.io/DevLorenzo/pen/ExgpvJM