/* Estilos generales */

body {
    font-size: 15px;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.5em;
    padding: 0;
    margin: 0;
    background-color: #f4f4f4;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;

}

ul {
    margin: 0;
    padding: 0;
}

/* Header */

header {
    background: #35424a;
    color: white;
    padding-top: 30px;
    min-height: 70px;
    border-bottom: #ffc600 3px solid;
}

header a {
    color: white;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 16px;
}

header li {
    display: inline;
    padding: 0 20px 0 20px;
}

header #branding {
    float: left;
}

header nav {
    float: right;
    margin-top: -41px;
}

header .highlight {
    color: #ffc600;
    font-weight: bold;
}

header a:hover {
    color: #cccccc;
    font-weight: bold;
}

/* Footer */

footer {
    padding: 30px;
    padding-top: 14px;
    margin-top: 20px;
    color: white;
    background-color: #00c3ff;
    text-align: center;
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
/*    position: fixed; */
    left: 0;
    bottom: 0;
    width: 100%;
    height: 25px;
}

.primary {
    background-color: #555;
    box-shadow: none !important;
    color: #fff !important;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
    width: 200px;
    height: 30px;
}

.principal label {
    font-family: Arial, Helvetica, sans-serif;
}

/* Media Queries */
@media(max-width: 768px) {

    header #branding,
    header nav,
    #boxes .box,
    article#main-col,
    aside#sidebar {
        float: none;
        text-align: center;
        width: 100%;
    }

    aside#sidebar {
        margin-bottom: 120px;
    }

    header nav {
        margin-top: 20px;
    }

    #showcase h1 {
        font-size: 25px;
    }

    #boxes .box:nth-child(3) {
        margin-bottom: 80px;
    }

}

/* Menú con submenus */

.navbar {
    overflow: hidden;
    background-color: #333;
}

.navbar a {
    float: left;
    font-size: 16px;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

.subnav {
    float: left;
    overflow: hidden;
}

.subnav .subnavbtn {
    font-size: 16px;
    border: none;
    outline: none;
    color: white;
    padding: 14px 16px;
    background-color: inherit;
    font-family: inherit;
    margin: 0;
    text-transform: uppercase;
}

.navbar a:hover,
.subnav:hover .subnavbtn {
    background-color: #0763ee;
}

.subnav-content {
    display: none;
    position: absolute;
    left: 0;
    background-color: #0763ee;
    width: 100%;
    z-index: 1;
}

.subnav-content a {
    float: left;
    color: white;
    text-decoration: none;
}

.subnav-content a:hover {
    background-color: #eee;
    color: black;
}

.subnav:hover .subnav-content {
    display: block;
}

/* Formato de las tablas */

table {
    margin: 0 0 2em 0;
    width: 100%;
}

table tbody tr {
    border-left: 0;
    border-right: 0;
}

table tbody tr:nth-child(2n + 1) {
    background-color: rgba(144, 144, 144, 0.075);
}

table td {
    padding: 0.75em 0.75em;
}

table th {
    color: #555;
    font-size: 0.9em;
    font-weight: 400;
    padding: 0 0.75em 0.75em 0.75em;
    text-align: left;
}

table thead {
    border-bottom: solid 1px rgba(144, 144, 144, 0.5);
}

table tfoot {
    border-top: solid 1px rgba(144, 144, 144, 0.5);
}

table.alt {
    border-collapse: separate;
}

table.alt tbody tr td {
    border: solid 1px rgba(144, 144, 144, 0.5);
    border-left-width: 0;
    border-top-width: 0;
}

table.alt tbody tr td:first-child {
    border-left-width: 1px;
}

table.alt tbody tr:first-child td {
    border-top-width: 1px;
}

table.alt thead {
    border-bottom: 0;
}

table.alt tfoot {
    border-top: 0;
}

/* Formularios */

input[type=text],
select {
    width: 100%;
    padding: 12px 20px;
    margin: 8px 0;
    display: inline-block;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

input[type=submit] {
    width: 100%;
    background-color: #4CAF50;
    color: white;
    padding: 1px 20px;
    margin: 8px 0;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

input[type=submit]:hover {
    background-color: #45a049;
}