Please Help on my portfolio page

i need to make my #welcome page’s image to get on to the very top of the page what should i do? ive tried all the margin and padding functions and the float as well but nothing works.
here’s the link
[https://codepen.io/Codingero/full/OgRxbE/]

those margins are from you heading , if i got you right.
you can see it in browser’s inspector f12 for chrome
h1 {
margin: 0;
}

thanks for your reply it helps me a lot!