body {
fontfamily: Arial, sansserif;
lineheight: 1.6;
margin: 20px;
padding: 0;
}
h1 {
textalign: center;
}
.content {
maxwidth: 800px;
margin: 0 auto;
}
.slogan {
fontsize: 24px;
fontweight: bold;
textalign: center;
marginbottom: 20px;
}
.tips {
margintop: 30px;
}
.tip {
marginbottom: 15px;
}