.right-box:nth-child(even){
	background:url(https://tkww-static.tkww.hk/agreementImg/images/projectImg/special/ReligiousleadersonHK_bg1.png)no-repeat;
  	background-size: 100% 100%;
}
.right-box:nth-child(odd){
	background:url(https://tkww-static.tkww.hk/agreementImg/images/projectImg/special/ReligiousleadersonHK_bg1.png)no-repeat;
  	background-size: 100% 100%;
}
body{
  background:url(https://tkww-static.tkww.hk/agreementImg/images/projectImg/special/ReligiousleadersonHK_bg.png)repeat;
  background-size: auto;
}