body {

fontfamily: Arial, sansserif;

lineheight: 1.6;

margin: 20px;

}

h1, h2, h3 {

color: 333;

}

.section {

marginbottom: 20px;

}

.highlight {

backgroundcolor: f0f0f0;

padding: 10px;

borderleft: 5px solid 4CAF50;

}

.footer {

margintop: 20px;

fontsize: 0.9em;

color: 777;

}

旅游攻略：探索美丽城市