#ya-site-form0 input.ya-site-form__submit {
    background: url(sm.aspx?guid=47613) 50% no-repeat;
}

#ya-site-form0 input.ya-site-form__submit:hover {
    background: #d7e1ec url(sm.aspx?guid=47613) 50% no-repeat;
}

.main {
    background: url(sm.aspx?guid=47163);
}