body, table {
    text-align: center;
    margin: auto;
}

h1 {
font-size: 5em;
}

@media screen and (min-width: 500px) {
.header {
    padding-left: 30px;
    padding-right: 30px;
}
footer {
    margin-bottom: 10%;
}
}

@media screen and (max-width: 500px) {
.header {
    padding-left: 10px;
    padding-right: 10px;
}
}
@media screen and (min-width: 1000px) {
.header {
    padding-left: 90px;
    padding-right: 90px;   
}
}
@media screen and (min-width: 3840px) {
    .header {
        padding-left: 200px;
        padding-right: 200px;    
}
}

footer {
    margin-bottom: 10%;
}