Hello,
1) Add this code in Custom CSS for page:
@media only screen and (max-width: 992px) {
.wpb_revslider_element .tp-bgimg.defaultimg {
background-color: transparent !important;
}
}
2)
.sidebar-widget .button {
background-color: #3c8f0d;
color: white;
border: 1px solid #222222;
}
.sidebar-widget .button:hover {
color: #000000;
background-color: rgba(78,189,15,0.19);
}
Regards