:root {
    --base: #1274ec;
    --spacing: 5px;
    --blur: 5px;
}

img {
    padding: var(--spacing);
    background: var(--base);
    filter: blur(var(--blur));
}

.hl {
    color: var(--base);
}

/* Not related to CSS variables */

body {
    text-align: center;
    background: #0c0e14;
    color: white;
    font-family: "helvetica neue", sans-serif;
    font-weight: 100;
    font-size: 20px;
}

.controls {
    margin-bottom: 50px;
}

input {
    width: 100px;
}