body {
fontfamily: Arial, sansserif;
lineheight: 1.6;
margin: 20px;
backgroundcolor: f4f4f4;
color: 333;
}
h1, h2, h3 {
color: 2c3e50;
}
h1 {
borderbottom: 2px solid 2980b9;
}
h2 {
margintop: 20px;
marginbottom: 10px;
}
h3 {
margintop: 15px;
marginbottom: 5px;
}
ul {
liststyletype: disc;
marginleft: 20px;
}