*{
    margin: 0;padding: 0;box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: rgb(82, 97, 102);
}

/*header*/

header {
    background-color: rgb(104, 170, 228);
    margin: auto;
    min-height: 5rem;
}

/*nav*/

.nav-bar {
    display: flex;
    justify-content: center;
    top: 0; 
    width: 100%; 
    background-color: #333;
    color: white; 
    padding: 10px; 
    list-style-type: none
}

.nav-bar ul {
    display: flex; 
    justify-content: center;
    list-style-type: none; 
    padding: 0;
    margin: 0;
    flex-grow: 1;
}

.nav-bar li {
    margin-right: 20px;
    padding: 2rem 4rem
}

.nav-bar li a {
    color: white;
    text-decoration: none;
}

a.izquierda img {
    width: 5rem;
    height: 5rem;
    background-color: rgba(255, 255, 255, 0.342);
    border-radius: 40px;
}

a.derecha img {
    width: 10rem;
    height: 5rem;
    border-radius: 5px;
}


/*main*/

main {
    display: grid;
    grid-template-columns: 30% 40% 30%
}

div.columna-izquierda,
div.columna-derecha {
    display: grid;
    grid-template-rows: 1fr 1fr;
    background-color: beige;
}

.columna-centro {
    display: grid;
    background-color: aliceblue;
    align-items: center;
    justify-content: center
} 

h1 {
    text-align: center;
    padding: 50px 0px 0px 0px;
    color: rgb(110, 162, 207);
}

h2 {
    text-align: center;
    padding: 0px 0px 50px 0px;
}

.fila {
    padding: 20px;
    border: 1px solid #000000;
    border-radius: 20px;
    text-align: center;
    align-items: center;
    justify-content: center;
    margin: auto;
}

.fila li {
    list-style-type: none
}

.columna-centro img {
    scale: 80%;
    border-radius: 100px;
    justify-content: center;
    align-items: center;
    margin-left: 70px;
}

.columna-centro h5 {
    text-align: center;
}

/*integrantes*/

section.equipo {
    background-color: rgb(131, 172, 207)
}

.integrantes {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1rem;
}

li.perfil {
    display: grid;
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
}

.integrantes ul {
    display: flex;
    justify-content: center;
    list-style-type: none;
    padding: 0;
    margin: 0;
    flex-grow: 1;
    text-decoration: none;
}

.integrantes li {
    flex: 20%;
    margin-right: 20px;
    padding: 2rem 4rem
}

.integrantes ul li a {
    text-decoration: none;
    color: rgb(27, 75, 117);
}

.integrantes img {
    scale: 75%;
    max-width: 100%;
    height: auto;
    border-radius: 50%; 
}

/*footer*/

.footer {
    text-align: center; 
    padding: 1rem;
}

h4 {
    background-color: #eef3f7;
    font-family: 'Anton', sans-serif;
    color:#2E2F2F; 
    font-size: 1rem; 
    margin-bottom: 1rem;
    padding: 2rem;
    text-align: center;
    height: 5rem;
}

.contenido {
    background-color: #D3D9D5; 
}

.datos-obligatorios {
    font-family: 'Poppins', sans-serif;
    background-color: #F8C537;
    display: flex;
    gap: 1rem;
    justify-content: space-around;
    padding: 1rem;
}

.datos-carrera {
    background-color: #F8C537;
    padding: 1rem;
    text-align: center;
    display:flex
}

section.ultimo {
    height: 70px;
    width: 80%;
    margin: auto;
    background-color: rgb(52, 62, 117);
    border-radius: 10px;
    text-align: center;
    padding: 20px;
}

a.logo-catedra img {
    scale: 50%;
    padding: 1rem;
}