forgejo/web_src/less/_install.less

.install {
  padding-top: 45px;

  form {
    @input-padding: 320px !important;

    label {
      text-align: right;
      width: @input-padding;
    }

    input {
      width: 35% !important;
    }

    .field {
      text-align: left;

      .help {
        margin-left: @input-padding+15px;
      }

      &.optional .title {
        margin-left: 38%;
      }
    }
  }

  .ui {
    .checkbox {
      margin-left: 40% !important;

      label {
        width: auto !important;
      }
    }
  }
}