* {
    font-family: 'Asap', Helvetica, Arial, sans-serif;
}

body {
    margin: 0;
    padding: 0;
    overflow: hidden;

    user-select: none;
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
}

#start-button {
    font-size: 16px;
    color: white;
    font-weight: bold;

    margin-bottom: 15px;

    width: 120px;
    height: 40px;
    line-height: 40px;

    text-align: center;

    pointer-events: auto;
}

.start-button-active {
    cursor: default;
    background: rgb(70, 190, 60);
}

.start-button-active:hover {
    background: rgb(60, 180, 50);
}

.start-button-active:active {
    background: rgb(50, 170, 40);
}

.start-button-inactive {
    background: #999999;
    cursor: default;
}

#preset-button {
    margin-bottom: 10px;

    background: rgba(80, 160, 230, 1.0);

    font-size: 12px;
    font-weight: bold;
    color: white;

    width: 100px;
    height: 30px;
    line-height: 30px;

    text-align: center;

    cursor: default;

    pointer-events: auto;
}

#preset-button:hover {
    background: rgba(70, 150, 220, 1.0);
}

#preset-button:active {
    background: rgba(60, 140, 210, 1.0);
}

#ui {
    position: absolute;

    pointer-events: none;

    top: 30px;
    left: 30px;

    z-index: 5;
}

#particle-count {
    color: #777777;

    font-size: 12px;

    margin-top: 4px;
}

.slider-label {
    color: #555555;
    font-size: 12px;
    font-weight: bold;

    margin-top: 5px;
}

.slider {
    margin-top: 4px;

    width: 200px;
    height: 22px;

    user-select: none;
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;

    background: rgba(0, 0, 0, 0.1);

    pointer-events: auto;
}

.slider:hover {
    background: rgba(0, 0, 0, 0.12);
}

.slider div {
    background: #666666;
}

.slider:hover div {
    background: #555555;
}

.instructions {
    position: absolute;

    bottom: 30px;
    left: 30px;

    font-size: 12px;
    line-height: 16px;

    color: #555555;

    margin-top: 20px;
}

.instructions span {
    font-weight: bold;

    color: #444444;
}

#footer {
    font-size: 12px;

    position: absolute;
    right: 20px;
    bottom: 20px;

    color: #555555;
}

#footer a {
    text-decoration: underline;
    color: #555555;
}

#container {
    color: #333333;
    font-size: 14px;

    margin-top: 40px;
    margin-left: 40px;
}

#video {
    color: #333333;
    font-size: 14px;

    margin-top: 20px;
}

#linkback {
    color: #333333;

    margin-top: 20px;
}

#linkback a {
    color: #333333;
}

#link-button {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 150px;
  height: 125px;
  margin-left: -75px;
  margin-top: -62.5px;
  background-image: url("images/button.png");
  text-align: center;
  z-index: 1;
}

body {
  background: rgb(249,249,249); /* Old browsers */
  background: -moz-radial-gradient(center, ellipse cover, rgb(249,249,249) 0%, rgb(224,224,224) 100%, rgb(125,185,232) 100%); /* FF3.6-15 */
  background: -webkit-radial-gradient(center, ellipse cover, rgb(249,249,249) 0%,rgb(224,224,224) 100%,rgb(125,185,232) 100%); /* Chrome10-25,Safari5.1-6 */
  background: radial-gradient(ellipse at center, rgb(249,249,249) 0%,rgb(224,224,224) 100%,rgb(125,185,232) 100%);/* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
}