.elemento-select{
    background: url('../images/DSC_0380.JPG') no-repeat center center/ cover;
    width: 100%;
    height: 30vh;
    opacity:.2;
    transition: .5s ease-in-out;
    
}

.elemento-select:hover{
    opacity: 1;
   
    
}

.elemento-select:active{
    transition: .1s ease;
    transform: scale(.96);

}

.list-group{
    list-style-type: none;
}