Hello, Dear Marta!

Please, send us the screenshot, where exactly do you want to set up the title and we will send you the tutorials.

Best Regards!

Hello, Dear Marta!

If you want to change the colour, сlick WP Dashboard => Appearance => Customize => Additional CSS and insert here the following code:

.breadcrumb li a {
    color: #6916ef;
}
body {
    font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
    font-size: 14px;
    line-height: 1.42857143;
    color: #bd2626;
    background-color: #fff;
}

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Also, if you want to change colors for the custom areas in theme - please use Yellow Pencil plugin. You may download it here: https://drive.google.com/open?id=1QVYd_ztJ_PJVg7uF7D9wa_8vSgdfwrFi

Please visit this link in order to understand, how this plugin may change your website: 

https://www.wpexplorer.com/customize-wordpress-theme-design/

2. In order to change the Contacto, please click WP Dashboard => Pages => Choose the necessary page. Please, see the screenshots: 

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http://prntscr.com/uiww62

If you want to rename Home to Custom Name in breadcrumbs title area, click WP Dashboard => Unyson => Breadcrumbs => Settings. Change Home to Your Custom Word and save changes. 

Best Regards!

Hello, Dear Marta!

If you want to change the color of the Breadcrumb, you can use the next rule if the Css.

Click WP Dashboard => Appearance => Customize => Additional CSS and insert here the following code:

.page_breadcrumbs:before {
    content: '';
    position: absolute;
    background-color: #1295a0;
}

Best Regards!