librepoply/manager/static/index.css

body {
    padding: 0;
    margin: 0;
    background-image: url("background2.svg");
    background-size: 1200px auto;
    background-repeat: repeat-x;
    animation: background-move 60000s infinite linear;
    background-position-y: calc(100% - 60px);
    font-family: 'Open Sans', sans-serif;
}

h1 {
    position: absolute;
    top: 30px;
    left: 30px;
}

#stats {
    position: absolute;
    bottom: 10px;
    right: 10px;
    font-style: italic;
    color: white;
}

.container {
    background-image: url("background.svg");
    background-size: 1000px auto;
    background-repeat: repeat-x;
    animation: background-move 30000s infinite linear;
    background-position-y: bottom;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dialog {
    background-color: white;
    max-width: 500px;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 8px 32px 12px rgba(0, 0, 0, 0.61);
}

#new-game-url a{
    display:block
}

p {
    margin-top: 0;
}

#new-game {
    all: unset;
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    background-color: #303F9F;
}

@keyframes background-move {
    from {
        background-position-x: 0%;
    }
    to {
        background-position-x: 100000%;
    }
}