body{
        background: #444;
        margin: 0;
        font-family: monospace;
    }

    h1{
        color: #fff;
        text-align: center;
    }

    h2{
        color: #fff;
        text-align: left;
    }

 p{
        color: #fff;
        text-align: left;
    }

    .galeria{
        width: 90%;
        margin: auto;
        list-style: none;
        padding: 20px;
        box-sizing: border-box; 

        display: flex;
        flex-wrap: wrap;
        justify-content: space-around;
    }

    .galeria li{
        margin: 5px;
    }

    .galeria img{
        width: 150px;
        height: 100px;
    }

    /*Estilo de modal*/

    .modal{
        display: none;
    }

    .modal:target{
        display: block;
        position: fixed;
        background: rgba(0,0,0,0.8);
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }

    .modal h3{
        color: #fff;
        font-size: 30px;
        text-align: center;
        margin: 15px 0;
    }

    .imagen{
        width: 100%;
        height: 50%;

        display: flex;
        justify-content: center;
        align-items: center;
    }

    .imagen a{
        color: #fff;
        font-size: 40px;
        text-decoration: none;
        margin: 0 10px;
    }

    .imagen a:nth-child(2){
        margin: 0;
        height: 100%;
        flex-shrink: 2;
    }



    .imagen img{
        width: 500px;
        height: 100%;
        max-width: 100%;
        border: 7px solid #fff;
        box-sizing: border-box;
    }

    .cerrar{
        display: block;
        background: #fff;
        width: 25px;
        height: 25px;
        margin: 15px auto;
        text-align: center;
        text-decoration: none;
        font-size: 25px;
        color: #000;
        padding: 5px;
        border-radius: 50%;
        line-height: 25px;
    }


 /*Estilo de modal*/

footer
{
    margin-top:250px;
    width:100%;
    height:100px;
    background-color:green;
}

.define{
    width: 800px;
    margin: 0 auto;
}