metamask-extension/ui/pages/confirm-transaction-base/gas-details-item/gas-details-item.scss

.gas-details-item {
  &__estimate {
    font-weight: 400;
    font-style: italic;
    font-size: 12px;
    color: $Grey-500;
    line-height: inherit;
  }

  &__gas-fee-warning {
    color: $secondary-1;
  }

  &__currency-container {
    position: relative;
  }
}
Edit transaction screen changes for EIP-1559 V2 (#12493) Edit transaction screen changes for EIP-1559 V2 2021-11-05 18:23:15 +01:00			`.gas-details-item {`
			`&__estimate {`
			`font-weight: 400;`
			`font-style: italic;`
			`font-size: 12px;`
			`color: $Grey-500;`
			`line-height: inherit;`
			`}`

Show warning in confirm transaction screen for low/high gas values. (#12545) 2021-11-12 04:22:54 +01:00			`&__gas-fee-warning {`
			`color: $secondary-1;`
			`}`

Edit transaction screen changes for EIP-1559 V2 (#12493) Edit transaction screen changes for EIP-1559 V2 2021-11-05 18:23:15 +01:00			`&__currency-container {`
			`position: relative;`
			`}`
			`}`