/* Плавающая кнопка */
.my-float-btn {
    position: fixed;
    right: 40px;
    bottom: 60px;
    width: 220px;
    height: 220px;
    background: url('https://static.tildacdn.com/tild3561-3933-4332-b536-636239386430/30__ABEo_SATR____.png') center/contain no-repeat;
    z-index: 9999;
    cursor: pointer;
   
}

/* эффект при наведении */
.my-float-btn {
    transition: all 0.3s ease;
}

.my-float-btn:hover {
    transform: scale(1.2);
    
}