body {
    background-color: black;
    color: white;
    font-family: "Courier New", Courier, monospace;
    text-align: center;
}

main {
    min-height: 300px;
}

@keyframes blub {
    0% {
        color: #20ff00;
        transform: rotateZ(-0.1deg);
    }

    50% {
        color: #f03939;
        transform: rotateZ(0.1deg);
    }

    100% {
        color: #20ff00;
        transform: rotateZ(-0.1deg);
    }
}

h1 {
    margin-top: 0px;
    animation-name: blub;
    animation-duration: 1.7s;
    animation-iteration-count: infinite;
}

a {
    color: green;
    transition: all 1s;
}

a:hover {
    color: greenyellow;
    background: #000066;
}

.image-container {
    width: 100%;
    min-height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-repeat: no-repeat;
    background-size: cover;
    text-shadow: #000 1px 0 10px;
}

.header-image {
    flex-direction: column;
    background-image: url("./gb.png");
    background-position: 50% 20%;
}

.footer-image {
    background-image: url("./gb.png");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50% 90%;
}