.advanced-gas-fee-popover { .form-field__heading-title > h6 { font-size: $font-size-h7; } .popover-header { border-radius: 0; border-top-left-radius: 10px; border-top-right-radius: 10px; border-bottom: 1px solid var(--color-border-muted); } .popover-footer { border-top: none; } }