I used CSS to make my lines look colourfull..but there is spaces between the upper lines.
.how can I make them very close to each other
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<html>
<head>
</head>


<style>
h1{font-size:20pt;color:red; background-colorink;}
h2{font-size:20pt;color:blue; background-color:green;}
h3{font-size:20pt;color:yellow; background-color:black;}
</style>
<body>

<h1>.....aaaaaaaaaaaaa</h1>
<h2>bbbbbbbbbbbb....</h1>
<h3>ccccccccccccccc....</h1>
</body>
</html>