/*Обнуление*/
*,
*:before,
*:after {
  padding: 0;
  margin: 0;
  border: 0;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

/*Стили для демонстрации*/

.wrapper__btn {
  width: 100%;
  min-height: 100%;
  height: 100%;
  overflow: hidden;

  display: -webkit-flex;
  display: -moz-flex;
  display: -ms-flex;
  display: -o-flex;
  display: flex;

  justify-content: center;
  align-items: center;
  margin-top: 8%;
}
/* Основные стили */
.wave-btn {
  width: 280px;
  height: 60px;
  display: -webkit-flex;
  display: -moz-flex;
  display: -ms-flex;
  display: -o-flex;
  display: flex;

  overflow: hidden;

  position: relative;

  transition: all 0.8s ease 0s;
  -webkit-transition: all 0.8s ease 0s;
  -moz-transition: all 0.8s ease 0s;
  -ms-transition: all 0.8s ease 0s;
  -o-transition: all 0.8s ease 0s;

  justify-content: center;
  align-items: center;

  border-radius: 50px 10px 50px 10px;
  text-decoration: none;
}

.wave-btn:hover {
  border-radius: 10px;

  transition: all 0.8s ease 0.2s;
  -webkit-transition: all 0.8s ease 0.2s;
  -moz-transition: all 0.8s ease 0.2s;
  -ms-transition: all 0.8s ease 0.2s;
  -o-transition: all 0.8s ease 0.2s;

  -webkit-box-shadow: 0 0 40px rgba(73, 115, 255, 0.6);
  box-shadow: 0 0 40px rgba(73, 115, 255, 0.6);
}
.wave-btn:hover .wave-btn__waves {
  top: -50px;
}

.wave-btn__text {
  font-family: "Nunito", sans-serif;
  color: rgb(255, 255, 255);
  text-shadow: 3px 3px 5px rgb(0, 0, 0);
  text-transform: uppercase;
  letter-spacing: 3px;
  position: relative;
  z-index: 1;
  font-size: 23px;
}
.wave-btn__waves {
  position: absolute;
  width: 280px;
  height: 280px;
  background-color: #ff3b3b;
  top: 0;
  left: 0;
  -webkit-box-shadow: inset 0 0 50px rgba(0, 0, 0, 0.5);
  box-shadow: inset 0 0 50px rgba(0, 0, 0, 0.5);

  transition: all 0.8s ease 0s;
  -webkit-transition: all 0.8s ease 0s;
  -moz-transition: all 0.8s ease 0s;
  -ms-transition: all 0.8s ease 0s;
  -o-transition: all 0.8s ease 0s;
}
.wave-btn__waves:after,
.wave-btn__waves:before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 250%;
  height: 250%;

  transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
  -moz-transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
  -ms-transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
  -webkit-transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
  -o-transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
}

.wave-btn__waves:before {
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: 48%;

  animation: waves 5s infinite linear;
  -webkit-animation: waves 5s infinite linear;
  -moz-animation: waves 5s infinite linear;
  -o-animation: waves 5s infinite linear;
}
.wave-btn__waves:after {
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: 44%;

  animation: waves 10s infinite linear;
  -webkit-animation: waves 10s infinite linear;
  -moz-animation: waves 10s infinite linear;
  -o-animation: waves 10s infinite linear;
}

@keyframes waves {
  0% {
    transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
    -moz-transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
    -ms-transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
    -webkit-transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
    -o-transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
  }
  100% {
    transform: translate3d(-50%, -96%, 0) rotate(360deg) scale(1);
    -moz-transform: translate3d(-50%, -96%, 0) rotate(360deg) scale(1);
    -ms-transform: translate3d(-50%, -96%, 0) rotate(360deg) scale(1);
    -webkit-transform: translate3d(-50%, -96%, 0) rotate(360deg) scale(1);
    -o-transform: translate3d(-50%, -96%, 0) rotate(360deg) scale(1);
  }
}
@-webkit-keyframes waves {
  0% {
    transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
    -moz-transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
    -ms-transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
    -webkit-transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
    -o-transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
  }
  100% {
    transform: translate3d(-50%, -96%, 0) rotate(360deg) scale(1);
    -moz-transform: translate3d(-50%, -96%, 0) rotate(360deg) scale(1);
    -ms-transform: translate3d(-50%, -96%, 0) rotate(360deg) scale(1);
    -webkit-transform: translate3d(-50%, -96%, 0) rotate(360deg) scale(1);
    -o-transform: translate3d(-50%, -96%, 0) rotate(360deg) scale(1);
  }
}
@-moz-keyframes waves {
  0% {
    transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
    -moz-transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
    -ms-transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
    -webkit-transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
    -o-transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
  }
  100% {
    transform: translate3d(-50%, -96%, 0) rotate(360deg) scale(1);
    -moz-transform: translate3d(-50%, -96%, 0) rotate(360deg) scale(1);
    -ms-transform: translate3d(-50%, -96%, 0) rotate(360deg) scale(1);
    -webkit-transform: translate3d(-50%, -96%, 0) rotate(360deg) scale(1);
    -o-transform: translate3d(-50%, -96%, 0) rotate(360deg) scale(1);
  }
}
@-o-keyframes waves {
  0% {
    transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
    -moz-transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
    -ms-transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
    -webkit-transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
    -o-transform: translate3d(-50%, -96%, 0) rotate(0deg) scale(1);
  }
  100% {
    transform: translate3d(-50%, -96%, 0) rotate(360deg) scale(1);
    -moz-transform: translate3d(-50%, -96%, 0) rotate(360deg) scale(1);
    -ms-transform: translate3d(-50%, -96%, 0) rotate(360deg) scale(1);
    -webkit-transform: translate3d(-50%, -96%, 0) rotate(360deg) scale(1);
    -o-transform: translate3d(-50%, -96%, 0) rotate(360deg) scale(1);
  }
}