body
button.slds-button.minimizedButton {
    height: 60px;
    width: 60px;
    box-sizing: border-box;
    background-image: url("https://grmenarini.my.salesforce.com/servlet/servlet.ImageServer?id=015Mf000003waPZ&oid=00D5I000001YrCq&lastMod=1730971329000");
    background-size: contain;
}

body
button.slds-button.minimizedButton svg {
    display: none
}