metamask-extension/ui/app/pages/keychains/index.scss

.first-view-main-wrapper {
  display: flex;
  width: 100%;
  height: 100%;
  justify-content: center;
  padding: 0 10px;

  > .first-view-main {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
  }
}


@media screen and (min-width: 1281px) {
  .first-view-main {
    width: 62vw;
  }
}

.import-account {
  display: flex;
  flex-flow: column nowrap;
  margin: 60px 0 30px 0;
  position: relative;
  max-width: initial;
}

@media only screen and (max-width: 575px) {
  .import-account {
    margin: 24px;
    display: flex;
    flex-flow: column nowrap;
    width: calc(100vw - 80px);
  }

  .import-account__title {
    width: initial !important;
  }

  .first-view-main {
    height: 100%;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    margin-top: 12px;
  }

  .first-view-phone-invisible {
    display: none;
  }

  .first-time-flow__input {
    width: 100%;
  }

  .import-account__secret-phrase {
    width: initial !important;
    height: initial !important;
    min-height: 190px;
  }
}

@media only screen and (max-width: 575px) {
  .import-account__input {
    width: 100%;
  }
}

.import-account {
  &__title {
    @include H1;

    color: #1b344d;
    margin-bottom: 10px;
  }

  &__back-button {
    @include Paragraph;

    margin-bottom: 18px;
    color: #22232c;
    position: absolute;
    top: -25px;
  }

  &__secret-phrase {
    @include Paragraph;

    height: 190px;
    width: 495px;
    border: 1px solid #cdcdcd;
    border-radius: 6px;
    background-color: #fff;
    padding: 17px;
  }

  &__secret-phrase::placeholder {
    color: #9b9b9b;
    font-weight: 200;
  }

  &__selector-label {
    @include Paragraph;

    color: #1b344d;
  }

  &__input-wrapper {
    display: flex;
    flex-flow: column nowrap;
    margin-top: 30px;
  }

  &__input {
    width: 350px;
  }

  &__checkbox-container {
    display: flex;
    align-items: center;
    margin-top: 24px;
  }

  &__checkbox {
    background: #fff;
    border: 1px solid #cdcdcd;
    outline: none;
    box-sizing: border-box;
    height: 34px;
    width: 34px;
    display: flex;
    justify-content: center;
    align-items: center;

    &:hover {
      border: 1.5px solid #2f9ae0;
    }

    .fa-check {
      color: #2f9ae0;
    }
  }

  &__checkbox-label {
    @include H4;

    color: #939090;
    margin-left: 18px;
  }

  &__file-input {
    display: none;
  }

  &__file-picker-wrapper {
    display: flex;
    flex-flow: row nowrap;
    align-items: center;
  }
}

.reveal-seed {
  &__content {
    padding: 20px;
  }

  &__label {
    padding-bottom: 10px;
    font-weight: 400;
    display: inline-block;
  }

  &__error {
    @include H6;

    color: $crimson;
    padding-top: 5px;
  }
}