Hello Sir,
Hope You are Having a great time!
I have checked the requirements of different plain HTML & CSS button for your Desktop & Mobile.
I am glad to say I am capable of doing this job because I have good experience with WordPress, HTML, CSS, JS, PHP, Bootstrap.
I have 4.7 years of experience in WordPress, HTML, CSS, Bootstrap 3-4, PHP, Perfect Landing Page design.
Please message me so that we can discuss so that I can show you my ready sample of button.
Thanks,
Nimesh