<div id="nadeprecia-kegoubranyduken">
  <button class="transition hover">Наведите на пульс</button>
</div>

@-webkit-keyframes glow {
  0% {
    -webkit-box-shadow: 0 0 16px rgba(66, 140, 240, 0.5);
    border-color: rgba(0,0,255,0.5);
  }
  100% {
    -webkit-box-shadow: 0 0 16px rgba(66, 140, 240, 1.0), 0 0 36px rgba(0, 140, 255, 1.0);
    border-color: rgba(0,0,255,1.0);
  }
}
@-moz-keyframes glow {
  0% {
    -moz-box-shadow: 0 0 16px rgba(66, 140, 240, 0.5);
    border-color: rgba(0,0,255,0.5);
  }
  100% {
    -moz-box-shadow: 0 0 16px rgba(66, 140, 240, 1.0), 0 0 36px rgba(0, 140, 255, 1.0);
    border-color: rgba(0,0,255,1.0);
  }
}
@-o-keyframes glow {
  0% {
    box-shadow: 0 0 16px rgba(66, 140, 240, 0.5);
    border-color: rgba(0,0,255,0.5);
  }
  100% {
    box-shadow: 0 0 16px rgba(66, 140, 240, 1.0), 0 0 36px rgba(0, 140, 255, 1.0);
    border-color: rgba(0,0,255,1.0);
  }
}
@keyframes glow {
  0% {
    box-shadow: 0 0 16px rgba(66, 140, 240, 0.5);
    border-color: rgba(0,0,255,0.5);
  }
  100% {
    box-shadow: 0 0 16px rgba(66, 140, 240, 1.0), 0 0 36px rgba(0, 140, 255, 1.0);
    border-color: rgba(0,0,255,1.0);
  }
}

#nadeprecia-kegoubranyduken {
  width:263px;
  margin:8px auto;
}
#nadeprecia-kegoubranyduken button {
    width: 270px;
    height: 45px;
    background: #36689a;
    border: 2px solid #5d5757;
    border-color: rgba(23, 44, 95, 0.5);
    font-size: 18px;
    color: #fff;
    text-shadow: rgba(41, 38, 38, 0.56) 1px 1px 5px;
    text-align: center;
    -webkit-border-radius: 16px;
    -moz-border-radius: 16px;
    border-radius: 16px;
    -webkit-box-shadow: 0 0 16px rgba(85, 160, 206, 0.5);
    box-shadow: 0 0 16px rgba(102, 181, 232, 0.5);
    cursor: pointer;
}
#nadeprecia-kegoubranyduken button:hover, #nadeprecia-kegoubranyduken button.hover_effect {
    background-color: #0d496b;
    -webkit-animation-name: glow;
    -webkit-animation-duration: 1s;
    -webkit-animation-iteration-count: infinite;
    -webkit-animation-direction: alternate;
    -webkit-animation-timing-function: ease-in-out;
    -moz-animation-name: glow;
    -moz-animation-duration: 1s;
    -moz-animation-iteration-count: infinite;
    -moz-animation-direction: alternate;
    -moz-animation-timing-function: ease-in-out;
    -o-animation-name: glow;
    -o-animation-duration: 1s;
    -o-animation-iteration-count: infinite;
    -o-animation-direction: alternate;
    -o-animation-timing-function: ease-in-out;
    animation-name: glow;
    animation-duration: 1s;
    animation-iteration-count: infinite;
    animation-direction: alternate;
    animation-timing-function: ease-in-out;
}