style.css

* {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Roboto', sans-serif;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    background-color: #F5F5F5;
}

header {
    background-color: #32c0eb;
    width: 100%;
    height: 100px;
    box-shadow: 0px 0px 10px #39c1eb;
    border-bottom-style: solid;
    border-bottom-width: 5px;
    border-bottom-color: #12a5d1;
}

#encabezado {
    width: 80%;
    height: 30px;
    margin: auto;
}

#logo {
    width: 32%;
    height: auto;
    overflow: hidden;
    float: left;
    color: #fff;
    margin-top: 20px;
}

#menu {
    width: 60%;
    height: 30px;
    float: right;
    margin-top: 56px;
}

#menu ul li {
    list-style: none;
    display: inline-block;
    padding: 9px;
    font-size: 20px;
}

#menu a {
    color: #fff;
}

#menu ul li :hover {
    color: #ced2fa;
}

#menu li {
    background-color: #12a5d1;
    border-radius: 5px 5px 0px 0px;
}

.centro {
    width: 60%;
    display: flow-root;
    margin-top: 20px;
    margin-left: auto;
    margin-right: auto;
}

#nInicio {
    border: 1px solid black;
    border-radius: 5px;
}

#nDP {
    border: 1px solid black;
    border-radius: 5px;
    /*Default show*/
    display: none;
}

#nContacto {
    border: 1px solid black;
    border-radius: 5px;
    /*Default show*/
    display: none;
}

#nInicio_1 img {
    float: left;
    width: 30%;
    margin-left: 20px;
    margin-right: 30px;
}

#nDP img {
    float: left;
    width: 25%;
    margin-left: 20px;
}

#nInicio_1_Texto {
    padding-left: 50px;
}

#nDP_1_Texto {
    padding-left: 280px;
}

#formato1 {
    padding-left: 30%;
}

.centro_Titulo {
    margin: 10px;
    text-align: center;
}