.page7_1 .cause {
    background: url('../page7_1/images/page7_1_cause_bg.jpg')no-repeat #f8f8f8;
    background-size: contain;
    background-position: right;
}

.page7_1 .symp {
    background-image: url('../page7/images/page7_symp.png');
    background-size: cover;
    background-attachment: fixed;
}