Add this code to the Custom CSS field on the Appearance tab of your Google Maps widget’s settings:
.global-styles,
.eapps-google-maps:not(.eapps-google-maps-small)
.eapps-google-maps-map-container {
width: 100%;
position: static;
}
.global-styles,
.eapps-google-maps:not(.eapps-google-maps-small)
.eapps-google-maps-bar-content-item {
position: static;
}
.global-styles,
.eapps-google-maps:not(.eapps-google-maps-small)
.eapps-google-maps-bar-container {
position: absolute;
height: auto !important;
}