how to remove whitespace below my footer in html
body {
margin: 0px;
font-family: Arial;
line-height: 20px;
}
#header {
height: 20px;
background: #222;
color: white;
}
#content {
min-height: calc(100vh - 40px); substract 40px since 20 are from header and 20 from footer
}
#footer {
height: 20px;
background: #222;
color: white;
}