@charset "utf-8";

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}

header {
    background-color: #33ccff;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

#Logo img {
    width: 200px; 
    height: auto;
    margin: 10px 20px;
}

nav {
    padding: 10px;
    text-align: right;
    border-radius: 5px;
}

ul#menu {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

ul#menu li {
    display: inline;
    margin-right: 20px;
}

ul#menu a {
    text-decoration: none;
    color: #fff;
    font-weight: bold;
    font-size: 30px;
    padding: 10px;
    border: 1px solid #fff;
    border-radius: 5px;
}

main {
    margin: 20px;
}

section {
    margin-bottom: 30px;
    padding: 20px;
    border-radius: 5px;
    background-color: #abdffb;
}

h1, h2, h3 {
    color: #333;
    margin-top: 10px; 
}

img {
    max-width: 70%;
    height: auto;
    text-align: center;
}

.yo {
    text-align: center;
}

.yo img {
    display: block;
    margin: 0 auto;
}

.yo h1, .yo h2, .yo h3 {
    margin-top: 10px; 
}

.yo p {
    text-align: left;
    margin-left: 20px;
}

.materias, .grupo, .titulos {
    margin: auto;
}

.materias ul, .grupo ol, .titulos ul {
    padding-left: 20px;
}

.materias h2 {
    text-align: center;
}

ul, ol {
    text-decoration: none;
    padding-left: 20px;
    list-style: none;
}

.grupo h2 {
    text-align: center;
}
.grupo {
    background-color: #abdffb; 
    padding: 20px; 
    border-radius: 5px; 
    margin-bottom: 30px;
    margin-top: 30px;
}

.grupo ol {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin: 0; 
    padding: 0; 
}

.grupo li {
    flex-basis: 48%;
    margin-bottom: 20px;
    text-align: center;
    list-style: none; 
}

.grupo img {
    max-width: 100%;
    height: 400px;
    border-radius: 5px; 
}

.grupo a {
    text-decoration: none;
    color: #ffffff;
    display: block;
    font-weight: bold;
    text-align: center;
    font-size: 50px;
}

.titulos {
    text-align: center;
}

footer {
    background-color: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
}

a {
    color: #248fc8;
    text-decoration: underline;
}

a:hover {
    color: #155a8a;
}