.galeria{
    padding: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.galeria_item{
    width: 25%;
    padding: 5px;
}

.galeria_img{
    width: 100%;
    cursor: pointer;
    transition: 0.5s;
}

.galeria_img:hover{
    filter: brightness(50%);
}

.modal{
    position: fixed;
    width: 100%;
    height: 100vh;
    top: 0;
    left: 0;
    background: rgba(0,0,0,0.8);
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal_img{
    width: 60%;
}

.modal_boton{
    width: 50px;
    height: 50px;
    color: #fff;
    font-size: 2rem;
    line-height: 2rem;
    cursor: pointer;
    position: absolute;
    top: 15px;
    right: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
}

@media screen and (max-width: 1024px){
    .galeria_item{
        width: 33%;
    }
    .modal_img{
        width: 90%;
    }
}

@media screen and (max-width: 800px){
    .galeria_item{
        width: 33%;
    }
}

@media screen and (max-width: 500px){
    .galeria{
        padding: 0;
    }
    
    .galeria_item{
        width: 50%;
        padding: 5px;
    }

    .modal_img{
        width: 95%;
    }
}