{ margin-top: 50px;}
html { align-content: center;
}
body {
    background 
    font-family: Optima;
    max-width: 960px;
    margin: auto;
}
header {
    background: #c8e1ff;
    width: 960px;
    height: 280px;
    text-align: center;
    margin-top: 10px;
    margin-bottom: 10px;
}

img { width: 200px;
       height:190px;
   }

.nombre { font-weight: normal;
    font-size: 20px;
    color: dimgrey;
    padding: 0px;
    margin-top: 0px;
    margin-bottom: 10px;
}

ul { text-decoration: none;
    margin: 0px;
    padding: 0px;
}
    
    
a { font-weight: normal;
    text-decoration: none;
    color: dimgrey;
}
nav { background: #b7cce5; 
    padding: 10px;
    border-width: 3px;
    border-style: solid;
    border-color: #fdfdfd;
    margin-left: 338px;
    margin-right: 338px;
    margin-bottom: 10px;

    
}
.linea{ border-width: 0,2px;
    border-style: solid;
    border-color: #ff0080;
    align: center;
    margin-bottom: 10px;
}
main { margin-top: 10px;}

.carrera { font-family:Optima;
    font-size: 30px;
    font-weight: normal;
    margin-top: 10px;
    padding-top: 20px;
    color: dimgrey;
}

.cuerpo { background: #c8e1ff;
    width: 960px;
    height: 700px;
    float: none;
    text-align: center;
}
    
 .nivel1 { font-weight: lighter;
     font-size: 18px;
     color: dimgray;
 }
.materias { width: 265px;
    height: 200px;
    margin: auto;
    border-width: 3px;
    border-style: solid;
    border-color: #fdfdfd;
    background: #b7cce5
}
.materia1 { color: dimgrey;
    font-size: 15px;
}
.materia2 { color: dimgrey;
    font-size: 15px;
}

.materia3 { color: dimgrey;
    font-size: 15px;
}
    
.materia4 { color: dimgrey;
    font-size: 15px;
}
    
.materia5 { color: dimgrey;
    font-size: 15px;
}
    
.materia6 { color: dimgrey;
    font-size: 15px;
}
    
.materia7 { color: dimgrey;
    font-size: 15px;
}
 .nivel2 { font-weight: lighter;
     font-size: 18px;
     color: dimgray;
 }
.materias2 { width: 265px;
    height: 200px;
    margin: auto;
    border-width: 3px;
    border-style: solid;
    border-color: #fdfdfd;
    background: #b7cce5;
    margin-top: 10px;
    margin-bottom: 10px;
}
.materia8 { color: dimgrey;
    font-size: 15px;
}
.materia9 { color: dimgrey;
    font-size: 15px;
}

.materia10 { color: dimgrey;
    font-size: 15px;
}
    
.materia11 { color: dimgrey;
    font-size: 15px;
}
    
.materia12 { color: dimgrey;
    font-size: 15px;
}
    
.materia13 { color: dimgrey;
    font-size: 15px;
}
    
.materia14 { color: dimgrey;
    font-size: 15px;
}
.materias3 { width: 265px;
    height: 120px;
    margin: auto;
    border-width: 3px;
    border-style: solid;
    border-color: #fdfdfd;
    background: #b7cce5
    
}
   
.materia15 { color: dimgrey;
    font-size: 15px;
}
    
.materia16 { color: dimgrey;
    font-size: 15px;
}
.separador { clear: both;
     border-width: 1px;
    border-style: solid;
    border-color: #ff0080;
    align: center;
    margin-bottom: 10px;
    margin-top: 10px;
    
}
footer { background: #c8e1ff;
    width: 960px;
    height: 90px;
    padding top: 10px;
    padding-bottom: 10px;
    margin-bottom: 50px;
    text-align: center;
}
p { font-family: futura;
    font-size: 15px;
    color: dimgrey;
    margin-bottom: 0px;
    margin-top: 0px;
    margin-left: 5px;
    margin-right: 5px;
}
