*{
    padding: 0;
    margin: 0;
    background-color: rgb(21, 110, 161);
}

.nav {
    list-style-type: none;
    margin-top: -2%;
    padding: 0;
    overflow: hidden;
    background-color: #000;
    width: 100%;
    position: fixed;
}

.il {
    float: left;
    background-color: #000;
    margin: 0% 5%;
    font-size: 30px;
}

.il a{
    background-color: #000;
    color: #fff;
    text-decoration:none;
    padding:15px 50px;
    display:block;
    text-align: center;
    margin-left: 0%;
}

.il a:hover{
    background-color: #444444;
    font-size: 30px;
    padding:15px 50px;
}

p, li{ 
    font-size:20px;
    text-align: justify;
    padding: 0% 13%;
}

.texto{
    padding-top: 8%;
}

.header{
    padding-top: 6%;
}

h1{
    text-align: center;
    margin: 2%;
}

img{
    padding: 3.5%;
}

.linux4{
    padding-left: 11.3%;
}

.instalacion1{min-height: 400px;}
.instalacion4{min-height: 500px;}