h1 {
    color: whitesmoke;
    vertical-align: middle;
}

header {
    background-image: linear-gradient(to top right,#2dad98, #0fe0dc);
    padding: 2%;
}

footer {
    background-color: lightgray;
    padding: 2%;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
}

.logo {
    width: 200px;
    height: 200px;
}