html, body {
    margin: 0;
    padding: 0;
    background: black;
    color:white;
}

.ringlight {
    position: absolute;
    left: 50%;
    margin-left: -45vh;
    height: 90vh;
    width: 90vh;
    top: 5vh;
    border-radius: 100vh;
    border: solid 10vh white;
    box-sizing: border-box;
    filter: blur(4px);
}

input {
    vertical-align: middle;
    min-width: 200px;
    max-width: 80vw;
    width: 20vw;
}