theme.park/CSS/addons/bazarr/bazarr-4k-logo/bazarr-4k-logo.css

/* Desktop */
@media (min-width: 752px) {
    .header-icon.px-3.m-0.d-none.d-md-block img  {
        display: none !important;
    }
    .header-icon.px-3.m-0.d-none.d-md-block:before {
        background-image: url("https://theme-park.dev/CSS/addons/bazarr/bazarr-4k-logo/bazarr4k.png");
        display: inline-block;
        width: 32px; 
        height: 32px;
        content:"";
        background-size:  cover;
        -webkit-background-size:  cover;
        -moz-background-size:  cover;
        -o-background-size: cover;
    }    
} 

/* Mobile */
@media (max-width: 767px) {
   .sidebar-title.d-flex.align-items-center.d-md-none.container img  {
        display: none !important;
    }   
   .sidebar-title.d-flex.align-items-center.d-md-none.container:before {
        background-image: url("https://theme-park.dev/CSS/addons/bazarr/bazarr-4k-logo/bazarr4k.png");
        display: inline-block;
        width: 32px; 
        height: 32px;
        content:"";
        background-size:  cover;
        -webkit-background-size:  cover;
        -moz-background-size:  cover;
        -o-background-size: cover;
    } 
}