header{
    background-color:#cada79;
    <style type=\"text/css\"> body { width: 600px GO } </style>
    }
nav{
    background-color: #cada79;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    text-align: center;
    line-height: 90px;
    font-size: 15px;
}
    main{
    background-color:white;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: black;
    text-align: center;
    font-size: 18px;
    }
    aside{
        background-color: rgb(243, 233, 233);
        }
    footer{
        background-color: darkgreen;
        color: gray;
        font-family: Arial, Helvetica, sans-serif;
        font-size: 10px;
        text-align: center;
        line-height: 25px;
    }
    @media all and (min-width: 860px){
        .contenedor_flex_dos{
            display: flex;
            flex-direction: row;
            flex-wrap: nowrap;
        }    
        .contenedor_flex_dos img{
            width: 220px;
            height: 102px;
        }
        header{
            width: 51.5%;
            height: 11vh;
        }
        nav{
            width: 40%;
            height: 11vh;
        }
        .contenedor_central_flex{
            display: flex;
            flex-direction: row;
            flex-wrap: nowrap;
        }
            main{
            width: 70%;
            height: 70vh;
            }
            aside{
                width: 20%;
                height: 100vh;
            }
            aside img{
                width: 300px;
                padding-top: 500px;
                margin-left: 100px;

            }
    }
    
.container{
    width: 900px;
    height: 400px;
    margin-left: 5px;
    background-color: white;
    padding: 10px;
}

ul, li{
    margin: 0;
    padding: 0;
    list-style: none;

}

ul.slider{
    position: relative;
    width: 1699px;
    height: 348px;

}

ul.slider li{
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    width: inherit;
    height: inherit;
    background-color: white;
    transition: opacity .5s;

}

ul.slider li img{
    width: 100%;
    height: 360px;
    object-fit: cover;
}

ul.slider li:first-child{
    opacity: 1;
}

ul.slider li:target{
    opacity: 1;
}
.menu{
    text-align: center;
    margin: 20px;
}

.menu li{
    display: inline-block;
    text-align: center;
}

.menu li a{
    display: inline-block;
    color: white;
    text-decoration: none;
    background-color: darkgreen;
    padding: 10px;
    width: 10px;
    height: 20px;
    font-size: 20px;
    border-radius: 100px;
}