#s1ps { background-image: url(../img/9/1.jpg?201706131950);} 
#s1ss { background-image: url(../img/9/s1.jpg?201706131950);} 
#s2ps { background-image: url(../img/9/2.jpg?201706131950);} 
#s2ss { background-image: url(../img/9/s2.jpg?201706131950);} 
#s3ps { background-image: url(../img/9/3.jpg?201706131950);} 
#s3ss { background-image: url(../img/9/s3.jpg?201706131950);} 
#s4ps { background-image: url(../img/9/4.jpg?201706131950);} 
#s4ss { background-image: url(../img/9/s4.jpg?201706131950);} 
#s5ps { background-image: url(../img/9/5.jpg?201706131950);} 
#s5ss { background-image: url(../img/9/s5.jpg?201706131950);} 
#s6ps { background-image: url(../img/9/6.jpg?201706131950);} 
#s6ss { background-image: url(../img/9/s6.jpg?201706131950);} 
#s7ps { background-image: url(../img/9/7.jpg?201706131950);} 
#s7ss { background-image: url(../img/9/s7.jpg?201706131950);} 
#s8ps { background-image: url(../img/9/8.jpg?201706131950);} 
#s8ss { background-image: url(../img/9/s8.jpg?201706131950);}