html,body {
  margin:0;
  padding:0;
  width:100%;
  height:100%;
    font-family: sans-serif;
    overflow: hidden;
}
#gradient-canvas {
  width:100%;
  height:100%;
}
body {
    position: relative;
}
.controls {
    position: absolute;
    width: auto;
    height: auto;
    background: rgba(0,0,0,0.3);
    bottom: 10px;
    right: 10px;
    box-sizing: border-box;
    padding: 10px;
    border-radius: 10px;
}
.colors {
    display: flex;
}
.color {
    display: flex;
    justify-content: center;
    align-items: center;
}
.color label:last-of-type {
}
.color label {
    margin-left: 10px;
    padding-right: 10px;
    margin-right: 10px;
    color: white;
    font-weight: bold;
}
.query-string p {
    color: white;
    border: 1px solid gray;
    padding: 10px;
}

.hide {
    display: none;
}
.fade {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, white, transparent);
}