.buttonEf {
  text-decoration: none;
  text-transform: uppercase;
  font-weight: 300;
  display: inline-block;
  position: relative;
  text-align: center;
  color: #fea223;
  border: 1px solid #fea223;
  border-radius: 5px;
  line-height: 3em;
  padding-left: 5em;
  padding-right: 5em;
  box-shadow: 0 0 0 0 transparent;
  -webkit-transition: all 0.2s ease-in;
  -moz-transition: all 0.2s ease-in;
  transition: all 0.2s ease-in;
}
.buttonEf:hover {
  color: white;
  background-color: #fea223;
  -webkit-transition: all 0.2s ease-out;
  -moz-transition: all 0.2s ease-out;
  transition: all 0.2s ease-out;
}
.buttonEf:hover:before {
  -webkit-animation: shine 0.5s 0s linear;
  -moz-animation: shine 0.5s 0s linear;
  animation: shine 0.5s 0s linear;
}
.buttonEf:active {
  box-shadow: 0 0 0 0 transparent;
  -webkit-transition: box-shadow 0.2s ease-in;
  -moz-transition: box-shadow 0.2s ease-in;
  transition: box-shadow 0.2s ease-in;
}
.buttonEf:before {
  content: '';
  display: block;
  width: 0px;
  height: 86%;
  position: absolute;
  top: 7%;
  left: 0%;
  opacity: 0;
  background: white;
  box-shadow: 0 0 15px 3px white;
  -webkit-transform: skewX(-20deg);
  -moz-transform: skewX(-20deg);
  -ms-transform: skewX(-20deg);
  -o-transform: skewX(-20deg);
  transform: skewX(-20deg);
}

@-webkit-keyframes shine {
  from {
    opacity: 0;
    left: 0%;
  }
  50% {
    opacity: 1;
  }
  to {
    opacity: 0;
    left: 100%;
  }
}
@-moz-keyframes shine {
  from {
    opacity: 0;
    left: 0%;
  }
  50% {
    opacity: 1;
  }
  to {
    opacity: 0;
    left: 100%;
  }
}
@keyframes shine {
  from {
    opacity: 0;
    left: 0%;
  }
  50% {
    opacity: 1;
  }
  to {
    opacity: 0;
    left: 100%;
  }
}


.buttonEf-2 {
  background: #176cbe;
  position: relative;
  margin: 10px 0;
  color: #fff;
  padding: 15px 25px;
  box-shadow: 0px 0px 25px 3px #176cbe;
  bottom: -30px;
  font-weight: bold;
  font-size: 28px;
}
.buttonEf-2:hover { color: #fff; box-shadow: 0px 0px 25px 3px #fea223; background: #fea223; }
/* pulse wave */
.buttonEf-2:before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-animation-delay: 0s;
  animation-delay: 0s;
  -webkit-animation: pulsate1 2s;
  animation: pulsate1 2s;
  -webkit-animation-direction: forwards;
  animation-direction: forwards;
  -webkit-animation-iteration-count: infinite;
  animation-iteration-count: infinite;
  -webkit-animation-timing-function: steps;
  animation-timing-function: steps;
  opacity: 1;
  border: 5px solid rgba(255, 255, 255, .75);
  top: 0;
  left: 0;
  background: rgba(198, 16, 0, 0);
}
@-webkit-keyframes pulsate1 {
  0% {
    -webkit-transform: scale(0.1);
    transform: scale(0.1);
    opacity: 1;
    box-shadow: inset 0px 0px 25px 3px rgba(255, 255, 255, 0.75), 0px 0px 25px 10px rgba(255, 255, 255, 0.75);
  }
  100% {
    -webkit-transform: scale(1);
    transform: scale(1);
    opacity: 0;
    box-shadow: none;

  }
}

@keyframes pulsate1 {
  0% {
    -webkit-transform: scale(0.8);
    transform: scale(0.8);
    opacity: 1;
    box-shadow: inset 0px 0px 25px 3px rgba(255, 255, 255, 0.75), 0px 0px 25px 10px rgba(255, 255, 255, 0.75);
  }
  100% {
    -webkit-transform: scale(1, 1);
    transform: scale(1);
    opacity: 0;
    box-shadow: none;

  }
}