body {
  padding-top: 10px;
  padding-bottom: 40px;
}
div.roulette {
  margin-top: 35px;
}
div.roulette-inner {
}

.marker {
  background: linear-gradient(transparent 50%, #ffee00 0%);
  font-weight: bold;
  font-size: 25px;
}
h1 {
  text-align: center;
}

.red {
  color: #ff0000;
}

.main2 {
  text-align: center;
}

div.roulette_container {
  background-color: rgb(253, 252, 253);
  width: 80%;
  border: 1px solid rgba(253, 252, 253, 0.31);
  box-shadow: 0px 0px 3px lightpink;
  margin: auto;
}

.btn_container {
  margin: 20px;
  text-align: center;
}
.btn_container .start {
  margin-right: 20px;
}
.log_container {
  margin-left: 25px;
  margin-top: 80px;
}
.demo_label {
  border-left: 5px solid gray;
  padding-left: 5px;
  font-size: 20px;
}
#msg {
  border: 1px solid #eee;
  padding: 10px 20px;
  overflow-y: scroll;
  max-height: 100px;
}
div.param_label {
  margin: 20px 0px 10px 0px;
}
#stopImageNumber {
  width: 20px;
}
.param_name {
  font-weight: bold;
}
.image_sample img {
  width: 50px;
  cursor: pointer;
}
.right_container {
  width: 550px;
  margin-left: 100px;
}
.code_container {
  margin-top: 50px;
  width: 500px;
}
.label-info {
  margin-bottom: 3px;
}
div.ui-slider {
  width: 300px;
}