body{
  
}
[class^=ico] {
    background-color: red;
}
[class^=vitrini-] {
    background-color: silver;
}
#overlay {
    display: none;
    width: 100%;
    max-width: 300px;
    height: auto;
    margin: 20px 0;
  }

#modal {
    display: none;
    margin: 10px 0;
    font-size: 1.2rem;
    color: #333;
}
.button{
  margin: 4px;
}