<!DOCTYPE html>
<html>
<head>
<style>
#grad1 {
height: 100px;
background-image: linear-gradient(0deg, red, blue);
}
#grad2 {
height: 100px;
background-image: linear-gradient(90deg, red, blue);
}
#grad3 {
height: 100px;
background-image: linear-gradient(180deg, red, blue);
}
#grad4 {
height: 100px;
background-image: linear-gradient(-90deg, red, blue);
}
</style>
</head>
<body>
<h1>Linear Gradients - Using Different Angles</h1>
<div id="grad1" style="color:white;text-align:center;">0deg</div><br>
<div id="grad2" style="color:white;text-align:center;">90deg</div><br>
<div id="grad3" style="color:white;text-align:center;">180deg</div><br>
<div id="grad4" style="color:white;text-align:center;">-90deg</div>
</body>
</html>