* { margin: 0; padding: 0; box-sizing: border-box; }
body { max-width: 1200px; margin: 20px auto; color: #000; }
form { width: 700px; margin: 20px auto;}
input,textarea { display: block; width: 100%; margin: 5px; font-size: 16px; padding: 5px; }
h1 { text-align: center; }
h2 { background-color: lightgray; padding: 5px; font-size: 16px; }
h3 { text-align: center; color: deeppink; margin: 50px; }
p { margin: 10px; }
.content-area { display: flex; }
.content { flex: 1; }