#include <stdio.h>
int main()
{
printf("Hello, World!");
return 0;
}
#include <iostream>
int main() {
std::cout << "Hello";
return 0;
}
alert('Hello, world!');
<!DOCTYPE HTML>
<html>
<header>
<title>This is title</title>
</header>
<body>
<p>Hello world</p>
</body>
</html>
a:link, a:visited, a:hover, a:active {
background-color: green;
color: white;
padding: 10px 25px;
text-align: center;
text-decoration: none;
display: inline-block;
}