Разработка Футуристические стили кнопок

body {
  padding: 0;
  margin: 0;
  height: 100vh;
  background-image: url(https://images.pexels.com/photos/2086917/pexels-photo-2086917.png?auto=compress&cs=tinysrgb&dpr=3&h=750&w=1260);
  background-size: cover;
  background-position: center center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.button {
  border: 1px solid green;
  -webkit-backdrop-filter: blur(10px);
          backdrop-filter: blur(10px);
  transform: skewX(-10deg);
  height: 50px;
  width: 200px;
  border-radius: 20px 5px 20px 0px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  font: 15px sans-serif;
  font-weight: 300;
  text-shadow: 0 0 20px #fff;
  text-transform: uppercase;
  -webkit-animation: breath2 2s 0.5s infinite alternate;
          animation: breath2 2s 0.5s infinite alternate;
  transition: all 0.2s ease;
  cursor: pointer;
}
.button:before {
  content: "";
  display: block;
  width: calc(100% - 22px);
  height: calc(50px - 8px);
  -webkit-animation: breath 2s infinite alternate;
          animation: breath 2s infinite alternate;
  left: 10px;
  top: 3px;
  position: absolute;
  background-color: transparent;
  border: 1px solid #fff;
  border-radius: 15px 3px 15px 3px;
}
.button.fire {
  border-color: #ffeca8;
  background-image: linear-gradient(to bottom, rgba(255, 138, 48, 0.6), rgba(240, 96, 29, 0.6));
  box-shadow: 0 0 70px rgba(255, 138, 48, 0.6), 0 5px 20px rgba(255, 138, 48, 0.6), inset 0 1px #ffeca8, inset 0 -1px #ffeca8;
  color: #ffeca8;
}
.button.fire:before {
  box-shadow: inset 0 0 30px 0 #ffeca8;
}
.button.ice {
  border-color: #a8ecff;
  background-image: linear-gradient(to bottom, rgba(48, 138, 255, 0.5), rgba(29, 96, 240, 0.5));
  box-shadow: 0 0 70px rgba(48, 138, 255, 0.5), 0 5px 20px rgba(48, 138, 255, 0.5), inset 0 1px #ffeca8, inset 0 -1px #ffeca8;
  color: #a8ecff;
}
.button.ice:before {
  box-shadow: inset 0 0 30px 0 #a8ecff;
}
.button:hover.fire {
  box-shadow: 0 0 70px rgba(255, 138, 48, 0.8), 0 5px 20px rgba(255, 138, 48, 0.8), inset 0 1px #ffeca8, inset 0 -1px #ffeca8;
}
.button:hover.fire:before {
  box-shadow: inset 0 0 50px 0 #ffeca8;
}
.button:hover.ice {
  box-shadow: 0 0 70px rgba(48, 138, 255, 0.8), 0 5px 20px rgba(48, 138, 255, 0.8), inset 0 1px #a8ecff, inset 0 -1px #a8ecff;
}
.button:hover.ice:before {
  box-shadow: inset 0 0 50px 0 #a8ecff;
}
.button + .button {
  margin-top: 15px;
  -webkit-animation-delay: 0.3s;
          animation-delay: 0.3s;
}

@-webkit-keyframes breath {
  0% {
    transform: scaleX(1);
  }
  100% {
    transform: scaleX(0.95);
  }
}

@keyframes breath {
  0% {
    transform: scaleX(1);
  }
  100% {
    transform: scaleX(0.95);
  }
}
@-webkit-keyframes breath2 {
  0% {
    transform: skewX(-10deg) scaleX(1);
  }
  100% {
    transform: skewX(-10deg) scaleX(0.95);
  }
}
@keyframes breath2 {
  0% {
    transform: skewX(-10deg) scaleX(1);
  }
  100% {
    transform: skewX(-10deg) scaleX(0.95);
  }
}
.ref {
  -webkit-backdrop-filter: blur(10px);
          backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 3px;
  padding: 5px 8px;
  position: absolute;
  font-size: 16px;
  bottom: 10px;
  right: 10px;
  color: #fff;
  font-weight: 300;
  font-family: sans-serif;
  text-decoration: none;
}
.ref::first-letter {
  font-size: 12px;
}