#s1ps { background-image: url(../img/4/1.jpg?201705091738);} 
#s1ss { background-image: url(../img/4/s1.jpg?201705091738);} 
#s2ps { background-image: url(../img/4/2.jpg?201705091738);} 
#s2ss { background-image: url(../img/4/s2.jpg?201705091738);} 
#s3ps { background-image: url(../img/4/3.jpg?201705091738);} 
#s3ss { background-image: url(../img/4/s3.jpg?201705091738);} 
#s4ps { background-image: url(../img/4/4.jpg?201705091738);} 
#s4ss { background-image: url(../img/4/s4.jpg?201705091738);} 
#s5ps { background-image: url(../img/4/5.jpg?201705091738);} 
#s5ss { background-image: url(../img/4/s5.jpg?201705091738);} 
#s6ps { background-image: url(../img/4/6.jpg?201705091738);} 
#s6ss { background-image: url(../img/4/s6.jpg?201705091738);} 
#s7ps { background-image: url(../img/4/7.jpg?201705091738);} 
#s7ss { background-image: url(../img/4/s7.jpg?201705091738);} 
#s8ps { background-image: url(../img/4/8.jpg?201705091738);} 
#s8ss { background-image: url(../img/4/s8.jpg?201705091738);} 
#s9ps { background-image: url(../img/4/9.jpg?201705091738);} 
#s9ss { background-image: url(../img/4/s9.jpg?201705091738);} 
#s10ps { background-image: url(../img/4/10.jpg?201705091738);} 
#s10ss { background-image: url(../img/4/s10.jpg?201705091738);} 
#s11ps { background-image: url(../img/4/11.jpg?201705091738);} 
#s11ss { background-image: url(../img/4/s11.jpg?201705091738);} 
#s12ps { background-image: url(../img/4/12.jpg?201705091738);} 
#s12ss { background-image: url(../img/4/s12.jpg?201705091738);} 
#s13ps { background-image: url(../img/4/13.jpg?201705091738);} 
#s13ss { background-image: url(../img/4/s13.jpg?201705091738);} 
