* {
    font-family: Arial, Helvetica, sans-serif;
}
body {
    background-color: #f2f2f2;
    height: 100vh;
    margin: 0;
    background-image: url(img/Background.gif);
}
header {
    background-color: #333;
    color: #fff;
    padding: 1rem;
    text-align: center;
    height: 10%;
}
.es {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: row;
}
main {
    margin: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background-color: rgba(233, 233, 233, 0.950);
    width: 60%;
    height: auto;
    border-style: solid;
    border-color: #333;
}
h1 {
    margin: auto;
    text-align: center;
}
h2 {
    margin: auto;
    text-align: center;
}
.About {
    width: 50%;
    margin: auto;
}
button {
    transition: 0.5s;
    background-color: #fff;
    color: #333;
    border: none;
    position: relative;
    top: 0px;
    left: 0px;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    box-shadow: 0px 0px #787878;
}
button:hover {
    transition: 0.5s;
    position: relative;
    top: -3px;
    left: -3px;
    box-shadow: 3px 3px #787878;
}
section {
    display: none;
}
p {
    border-radius: 1px;
    border-color: #787878;
    border-style: none none solid;
}