@import url('https://fonts.googleapis.com/css?family=Muli');

li{
    list-style: none;
}
body{
    font-family: 'Muli', sans-serif;
    margin: 0px;
    background: linear-gradient(#99ffcc, #ffffcc);
}
.principal{
    text-align: center
}

.topnav {
    background-color: #ffe6cc;
    overflow: hidden;
}
.topnav a {
    float: left;
    color: #ff944d;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
}

.topnav a:hover {
    background-color: #99ffcc;
    color: black;
}

.avatar{
    margin: 15px;
    height: 200px;
    padding: 5px;
    border: 3px solid #ffe6cc;
    border-radius: 10%;
}
.nombre{
    color: coral;
    font-size: 25px
}

.nivel{
    color: coral;
    font-size: 18px
}
.materias{
    text-align: center;
}

footer{
   width: auto;
   background: #99ffcc;
   margin-top: 3em;
    padding: 1em
}