I want to place the one line which is clickable to open another page, currently i'm using third party zotabox promo bar on my website but i want to have this simple text with green background on my website just like this https://prnt.sc/h8jfmi on the Top of the Content of website, here only i want like this same Text and only one button which is clickable to open new link and it will be responsive to adjust mobile screen please help me once.

this is only what http://prntscr.com/h8jig7 i want to place on my website the simple text with green background and clickable button.

Please help me any help is precious for me.

Thanks in Advance

@MeroWish.com
https://www.w3schools.com/cssref/pr_class_position.asp
https://www.w3schools.com/cssref/pr_background-color.asp
https://www.w3schools.com/cssref/css_colors.asp