<body> <h1 class="test">Başlık Metni</h1> <div class="contaienr"> <p class=”text”>lorem ipsum dolor sit amet</p> <p class=”subtext”>lorem ipsum dolor sit amet</p> </div> </body> <style> body {font-size: 16px; } h1 {font-size: 1.8em;} .text{font-size:1.5em;} .subtext{font-size:1.5rem;} </style>