global.css

* {
    padding: 0px;
    margin: 0px;
    box-sizing: border-box;
}

html {
    background-color: #161414;
    color: #fff;
    font-family: "IBM Plex Sans";
    height: 100vh;
}
a {
    color: #FFC700;
}
.page {
    margin: auto;
    max-width: calc(636px + 100px);
    padding: 50px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.page_header {
    background-color: #FFC700;
    width: 100%;
    padding: 22px;
}

.page_header img {
    height: 64px;
}

.copyright {
    position: fixed;
    bottom: 30px;
    left: 30px;
}

p {
    font-size: 18px;
    margin: 15px 0px;
}

h1 {
    font-size: 24px;
}

.app {
    background-image: url("https://www.hubza.co.uk/project_images/cubey.png");
    background-position: center;
    background-size: cover;
    padding: 20px;
    padding-top: 60px;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0px 0px 0px 0px #161414, 0px 0px 0px 0px #FFC70000;
    margin-top: 8px;
}

.app:hover {
    box-shadow: 0px 0px 0px 4px #161414, 0px 0px 0px 6px #FFC700;
}

.app p {
    margin: 4px 0px;
}