wikijs-fork/client/scss/layout/_md2.scss

.md2 {

  &.v-text-field {
    .v-input__slot {
      border-radius: 7px;
    }
  }

  &.v-btn {
    border-radius: 7px;
  }

  &.v-card {
    border-radius: 7px;
  }

}