*{
    margin: 0;
    background-color: rgb(71, 60, 231);
}
.arriba{
    width: 100vw;
    height: 10vh;
    background-color: rgb(71, 60, 231);
    position:fixed;
    top: 0;
    left: 0;
 
}
.centro{
    width: 100vw;
    
    background-color: rgb(117, 20, 228);
    display: flexbox;
    flex-direction: column;
    font-size: 22px;
    font-weight:bold;
    line-height: initial;

}
h2{
    background-color: inherit;
}
/* .s1, .s2, .s3, .s4 {
    width: 90vw;
    margin-left: 5vw;
    height: 70vh;
} */
.s1{
    background-color: rgb(6, 163, 224);
    width: 90vw;
    margin-left: 5vw;
    height: 70vh;
}
.s2{
    background-color: rgb(0, 143, 199);
    width: 90vw;
    margin-left: 5vw;
    height: 70vh;
}
.s3{
    background-color: rgb(3, 102, 141);
    width: 90vw;
    margin-left: 5vw;
    height: 70vh;
}
.s4{
    background-color: rgb(0, 67, 94);
    width: 90vw;
    margin-left: 5vw;
    height: 70vh;
}
.abajo{
    width: 100vw;
    height: 10vh;
    background-color: rgb(71, 60, 231);

}
.nav.link {
    color: white;
    text-decoration: none;
}