.text-Premix {
    color: white;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    font-weight: 200;
    
     
        
    
}
.topo-ajuste {
    
    margin-top: 100px;
} 
.texto-titulo {
    color: #DF0EB7;
}

.banner2 {
    text-decoration-color: red;
    background-color: black;
    

    
    height: 30px;
    
}


<style type="text/css">
.whatsapp {
    position: fixed;
    top: 72%;
    left: 1%;
    padding: 10px;
    z-index: 1000000;
}
</style>