JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="css/style.css">
    <title>Sign up</title>
</head>
<body>
    <div class="container">
        <div class="title">
            <p>Sign up</p>

        </div>
        <div class="content">
            
        </div>
    </div>
</body>
</html>

CSS

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    height: 100%;
  }
  body{
    background-color: #F2F2F2;

  }
.container{ 
    display: flex;
    max-width: 90%;
    margin: 0 auto;
    padding: 60px 0px;
}
.title{
    background: #5A61ED;
    flex:0 0 30%;
}
.title p{
    color: #000;
    font-size: 49px;
    transform: rotate(270deg);
}
.content{
    flex: 0 0 70%;
}