*{
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

.controls {
    width: 294px;
    margin-left: 190px;
    padding: 2%;
    float: left;
    background-image:url(../images/bg.png);
    color: #eee;
}

label{
  font-weight: 300;
  margin: 0 .4em 0 0;
}

button{
  display: inline-block;
  padding: .4em .8em;
  background: #666;
  width:180px;
  margin:1em;
  border: 0;
  color: #ddd;
  font-size: 12px;
  font-weight: 300;
  border-radius: 4px;
  cursor: pointer;
}

button.active{
  background: #68b8c4;
}

button:focus{
  outline: 0 none;
}

button + label{
  margin-left: 20px;
}

.container {
    width: 850px;
    margin-left: 490px;
    padding: 2% 2% 0;
    text-align: justify;
    font-size: 0.1px;

    -webkit-backface-visibility: hidden;
}

.container .mix, .container .gap {
    display: inline-block;
    width: 235px;
    height: 50px;
    margin-right: 10px;
}

.container .mix{
  text-align: left;
  
      margin: 0% 3.1% 19% 0%;
  display: none;
}

.container .mix.category-1{
  /*border-top: 2px solid limegreen;*/
}

.container .mix.category-2{
  border-top: 2px solid yellow;
}