body {
    background-color: seashell;
    margin: 0 0 0 0;
    padding: 1.5em;
    text-align: center;
    
    display:flex;
    flex-direction: column;
    min-height: 10vh;
    
    justify-content: space-between;
}

header { background-color: salmon;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    
        
}


header ul {
    display: flex;
    flex-direction: row;
    
    
}

header ul li{
    display: flex;
}

header ul li a {color: sienna;
    width: 5em;
    height: 2em;
    margin: .5em;
    background-color: seashell;
    font-weight: bold;
    
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}




ul {
    list-style: none;
    color: sienna;
    text-align: center;
}

h1 {
    text-align: center;
    color: salmon
}


h2 {
    text-decoration: underline;
    color: salmon;
    text-align: center;
}

h3 {
    text-align: center;
    color: mediumturquoise;
}

a {
    text-decoration: none;
    color: sienna;
    margin: 0;
}


div {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

main .academico{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
   
    margin-top: 5em;
    
}

.academico img{
    height: 10vw;
    
    
    
}

footer {
    background-color: salmon;
    padding: 1em;
    margin: 2em;
    color: seashell;
    padding-left: 10%;
    padding-right: 10%;
    
    display: flex;
    flex-grow: 1;
}