* {
  font-family: 'Roboto', sans-serif;
}

.container {
  position: absolute;
  top: 0%;
  left: 50%;
  margin-left: -150px;
  margin-top: 0px;
  width: 320px;
  height: 40px;
  text-align: center;
  
}

button {
  outline: none;
  height: 50px;
  text-align: center;
  width: 180px;
  border-radius: 40px;
  background: #000000;
  border: 2px solid #fff;
  color: #fff;
  letter-spacing: 1px;
  text-shadow: 0;
  font-size: 20px;
  font-weight: bold;
  cursor: pointer;
  -webkit-transition: all 0.25s ease;
  transition: all 0.25s ease;
}
button:hover {
  color: white;
  background: #000000;
} 
button:active {
  letter-spacing: 1px;
    background: #000000;
}
button:after {
  content: "REDEEM";
}

.onclic {
  width: 40px;
  border-color: #bbbbbb;
  border-width: 3px;
  font-size: 0;
  border-left-color: #02db54;
  -webkit-animation: rotating 2s 0.25s linear infinite;
          animation: rotating 2s 0.25s linear infinite;
   
}
.onclic:after {
  content: "\f00c";
    background: #000000;
}
.onclic:hover {
  color: #FFF;
  background: white;
}

.validate {
  font-size: 18px;
  color: white;
  background: #000000;
}
.validate:after {
    content: "VERIFIED";
  
  
}

@-webkit-keyframes rotating {
  from {
    -webkit-transform: rotate(0deg);
            transform: rotate(0deg);
  }
  to {
    -webkit-transform: rotate(360deg);
            transform: rotate(360deg);
  }
}

@keyframes rotating {
  from {
    -webkit-transform: rotate(0deg);
            transform: rotate(0deg);
  }
  to {
    -webkit-transform: rotate(360deg);
            transform: rotate(360deg);
  }
}