*{ margin:0; padding:0;}
#ul1{ position:relative; margin:100px auto; background:#1b1f2b; overflow:hidden;}
#ul1 li{ list-style:none;}
 
body { text-align: center; background-color: #00CCCC; }
.box0{ width:50px; height:50px; background:url(../images/1.jpg) no-repeat; float:left; background-size: 100% 100%;}
.box1{ width:50px; height:50px; background:url(../images/2.jpg) no-repeat; float:left;background-size: 100% 100%;}
.box2{ width:50px; height:50px; background:url(../images/3.jpg) no-repeat; float:left;background-size: 100% 100%;}
.box3{ width:50px; height:50px; background:url(../images/4.jpg) no-repeat; float:left;background-size: 100% 100%;}
.box4{ width:50px; height:50px; background:url(../images/5.jpg) no-repeat; float:left;background-size: 100% 100%;}
.box5{ width:50px; height:50px; background:url(../images/6.jpg) no-repeat; float:left;background-size: 100% 100%;}