Thank you! It works very well with the Collapse-O-Matic plugin.

Hello Victoria,

thank you for the post, but I don´t know, what I should do?

My Problem is, that I have created the read more tag but it will not be shown.

Br,
Christopher

I´ve solved it.

@media only screen and (max-width: 325px) { 
	.responsive #wrap_all .logo img {
    width: 50%;
    content: url("https://des-zentrum.ch/wp-content/uploads/2020/03/logo_mobile.png");
    
    }
	.responsive #top #wrap_all #header_main .logo {
        height: 30px !important;
	}
}
@media only screen and (min-width: 326px) and (max-width: 736px) { 
	.responsive #wrap_all .logo img {
    width: 70%;
    content: url("https://des-zentrum.ch/wp-content/uploads/2020/03/logo_mobile.png");
	}
	.responsive #top #wrap_all #header_main .logo {
        height: 70px !important;
	}
}