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

body {
    position: relative;
    overflow: hidden;
    background: #222;
}

.container {
    position: absolute;
    top: 0;
    left: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    width: 100vw;
    padding: 20px;
}

.derp {
    position: absolute;
    transform-origin: 50% 50%;
    transform: translateY(100vh);
    top: 0;
    left: 0;
}

.message {
    background: rgba(0, 0, 0, 0.9);
    border-radius: 10px;
    padding: 20px;
    color: #fff;
    position: relative;
    z-index: 1000;
    border: 2px solid #fff;
    box-shadow: 0 0 4px 0 #000;
    font-family: Arial, Helvetica, sans-serif;
    max-width: 400px;
    text-align: center;
    font-size: 20px;
    line-height: 1.4;
}