@keyframes fade-in {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

#myBtnContainer button { border:0; background:transparent; border-bottom:4px solid; }
#myBtnContainer button.active{ background: #e64242; color:#fff!important; border-bottom:0 }
#myBtnContainer button:focus{ outline: 0 none; }
#myBtnContainer button + label{margin-left: 1em;}
.container-filter{margin: 0 auto;-webkit-backface-visibility: hidden;
}
.container-filter:after{content: '';display: inline-block; width: 100%;}
.container-filter .mix{ text-align: left; animation: fade-in 1.2s cubic-bezier(.39,.575,.565,1) both;}
.container-filter .mix:after{
  content: attr(data-myorder);
  color: white;
  font-size: 16px;
  display: inline-block;
  vertical-align: bottom;
  padding: 0% 6%;
  font-weight: 700;
}
.container-filter .mix{
  content: ''; 
}