.slds-accordion__summary {
    background-color: blue !important;
    color: white !important;
    margin: 20px 0 20px 0 !important;
    border-radius: 10px !important;
    height: 30px !important;
}
.slds-accordion__summary-action {
    color: white !important;
}
.navigation-bar__spacer {
    flex: 0 !important;
}
.slds-grid--align-spread, .slds-grid_align-spread {
    justify-content: center !important;
}