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Login UI customization

This guide walks through customizing your application’s sign-in page: background image, login panel style, position, and optional side panel.

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1. Background image​

The default background is white. Set Background URL to an image URL; the preview updates when the URL is valid.

step1_start.png step1_backgroune_url.gif

2. Login panel style​

Use Form CSS to style the login panel. Example:

<style>
.login-panel{
    padding: 40px 30px 0 30px;
    border-radius: 10px;
    background-color: #ffffff;
    box-shadow: 0 0 30px 20px rgba(0, 0, 0, 0.20);
}
</style>

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wskazówka

If Form CSS is empty, the editor may show a default; copy the content and paste it into the field, then save.

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3. Panel position​

Use the position buttons to place the panel on the Left, Center, or Right.

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4. Side panel​

Enable Enable Side Panel so the form is centered with a side area. Edit Side panel HTML for the side content; start from the default template or customize it.

enable_side_panel.png

Example Side panel HTML:

<style>
  .left-model{
    text-align: center;
    padding: 30px;
    background-color: #8ca0ed;
    position: absolute;
    transform: none;
    width: 100%;
    height: 100%;
  }
  .side-logo{
    display: flex;
    align-items: center;
  }
  .side-logo span {
    font-family: Montserrat, sans-serif;
    font-weight: 900;
    font-size: 2.4rem;
    line-height: 1.3;
    margin-left: 16px;
    color: #404040;
  }
  .img{
    max-width: none;
    margin: 41px 0 13px;
  }
</style>
<div class="left-model">
  <span class="side-logo"> <img src="https://cdn.casbin.org/img/casdoor-logo_1185x256.png" alt="Casdoor" style="width: 120px"> 
    <span>SSO</span> 
  </span>
  <div class="img">
    <img src="https://cdn.casbin.org/img/casbin.svg" alt="Casdoor"/>
  </div>
</div>

Refine the layout with Form CSS (e.g. .login-panel, .login-form):

<style>
  .login-panel{
    border-radius: 10px;
    background-color: #ffffff;
    box-shadow: 0 0 30px 20px rgba(0, 0, 0, 0.20);
  }
  .login-form {
    padding: 30px;
  }
</style>

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informacja

.login-panel and .login-form are the main container classes; target them in Form CSS for further customization.

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Summary​

Set Background URL, style Form CSS, choose panel position, and optionally enable and style Side panel HTML. See also: