.bztd{
width: 1200px;
margin: 0 auto;
height: 228px;
margin-bottom: 20px;
}
.bztd-content{
  background:	#F5F5F5;


}
.bztd-m1 .imgs{
width: 154px;
float: left;
margin-left: 5.2%;
padding-bottom: 20px;
padding-top: 20px;
}
.bztd-m1 .txt{
   text-align: center;
}