header {
    width: 100vw;
    height: 100px;
    background-color: aquamarine;
    border-bottom: 3px solid #04566e;
}
header h1{
    width: 40%;
    color: rgb(223, 212, 199);
    margin-left: 30%;
    background-color: #52a84c;
    font-size: 1.8em;
    margin-top: 8px;
    text-align: center;
    border-radius: 10px;
    text-shadow: 1px 3px 2px #484343;
}
.volver {
    margin-top: 10px;
    font-size: 1.3em;
}
section{
    display: flex;
    background: linear-gradient(to right, #1599db, #ae7906);
    border-bottom: 3px solid #2980b9;
}
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px;
    position: relative;
    bottom: 0;
    width: 100%;
}
@media (width< 600px) {
    header h1{
    width: 80%;
    margin-left: 10%;
    font-size: 1.2em;
   }
   .volver {
    font-size: 0.8em;
   }
   h2 {
    font-size: 1em;
   }
   p {
    font-size: 0.8em;
   }
}