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

body{
    font-family: arial;
    background-image: url(../img/fondo.jpg);  
    background-size: 100%;
}

h3 {
    color: white;
    font-family: arial;
    padding: 0.51rem ;
    background: #ca9e67; 
    font-size: 1.1rem;
}

a{
    text-decoration: inherit ;
    font-weight: bold; 
    margin-bottom: 2rem; 
    color: white;
    margin-left: 1rem;
}



.content-box-grey{
    color:white;
    font-family: karla; 
    padding: 2rem; 
    background: #f2efea;
    font-size: 1.8rem;
    margin-left: -0.8rem ; 
    width:20 px;

}


.section1{
    border: 20px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    margin-top: 5em;
}


.firma{
    margin-left: auto;
    margin-right: auto;
    margin-top: 2rem;
    text-align: center;
    
    
}


.parrafito{ 
    font-family: 'Karla', sans-serif;
    font-size: 12px;
    text-align: center;
    margin-top: 0.5rem;
    width: 20rem;
    margin-left: auto;
    margin-right: auto;
    letter-spacing: 0.1rem;
    line-height: 1rem;
    font color: #3c3c3b;
    text-align: justify;
    }



.sellito{
    margin-left: auto;
    margin-right: auto;
    margin-top: 5rem;
    text-align: center;
    margin-bottom: 10rem;
    
}


section{
    }



.materias-cursadas{
    background-color: #f2efea;
    width: 20rem;
    
    
    
}

.section2 {
    background: #f2efea;
    height: 20rem;
    display: flex;
    
}

.materias-cursadas-title{
    background-color: #ca9e67;
    color: white;
    width: 15rem;
    height: 2rem;
    font-family: karla;
    font-weight: 700;
    justify-content: center;
    margin-left: auto;
    margin-right: auto; 
    text-align: center;
    padding-top: 0.55rem;
    margin-top: 1rem;

        
}

.nivel1{
    width: 15rem;
    height: 10rem;
	font-family: karla;
    font-size: 12px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 3rem;
    background-color: white;
    padding-left: 2rem;
    padding-top: 1rem;
    text-align: left;
    
}

.nivel2{    
    width: 15rem;
    height: 10rem;
	flex-direction: row;
	flex-wrap: nowrap;
	justify-content: space-around;
	align-items: center;
	align-content: stretch;
    font-family: karla;
    font-size: 12px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 3rem;
    background-color: white;
    padding-left: 2rem;
    padding-top: 1rem;
    text-align: left;
}

.nivel3{    
    width: 15rem;
    height: 10rem;
	flex-direction: row;
	flex-wrap: nowrap;
	justify-content: space-around;
	align-items: center;
	align-content: stretch;
    font-family: karla;
    font-size: 12px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 3rem;
    background-color: white;
    padding-left: 2rem;
    padding-top: 1rem;
    text-align: left;

    

}

footer {
       font-size: 1rem; 
       margin-bottom: 1rem; 
       padding: 1rem;
       background: #ca9e67;
}