#cabecera{
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    background-color: rgb(100, 92, 168);
    top: 0;
    left: 0;
    width: 100%;
}
#menu ul {
    list-style: none;
    display: flex;
    gap: 20px;
    margin: 0;
    padding: 0;
}
#menu a{
    text-decoration: none;
    color: black;
}
#menu a:hover{
    color: rgb(37, 37, 95);
    background-color: black;
    padding: 5px;
    border-radius: 4px;
    transition: 0.5s;
}
#contenido{
    border: 1px solid black;
    margin: 20px;
    padding: 10px;
}
img{
    padding-top: 100px;
    display: block;
    margin: auto;
}