.fk_button_zero {
  font-weight: 400;
  text-align: center;
  line-height: 50px;
  height: 50px;
  font-size: 21px;
  overflow: hidden;
  position: relative;
  display: inline-block;
  z-index: 0;
  cursor: pointer;
  color: #fff;
  -moz-border-radius: 35px;
  border-radius: 35px;
  border: solid #fff 1px;
  width: 220px;
  -moz-transition: all .1s;
  -o-transition: all .1s;
  -webkit-transition: all .1s;
  transition: all .1s;
  background-color: #1168e3
}

.anim {
  -moz-transform: translateY(-50%) translateX(-50%);
  -ms-transform: translateY(-50%) translateX(-50%);
  -webkit-transform: translateY(-50%) translateX(-50%);
  -o-transform: translateY(-50%) translateX(-50%);
  transform: translateY(-50%) translateX(-50%);
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 1
}

.anim:before {
  position: relative;
  content: '';
  display: block;
  margin-top: 100%
}

.anim:after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  -moz-border-radius: 50%;
  border-radius: 50%
}

.hoverable .anim {
  -moz-animation: anim-out .75s;
  -webkit-animation: anim-out .75s;
  -o-animation: anim-out .75s;
  animation: anim-out .75s
}

.hoverable .anim:after {
  -moz-animation: anim-out-pseudo .75s;
  -webkit-animation: anim-out-pseudo .75s;
  -o-animation: anim-out-pseudo .75s;
  animation: anim-out-pseudo .75s
}

.hoverable .anim, .hoverable .anim:after {
  -webkit-animation-iteration-count: infinite;
  -moz-animation-iteration-count: infinite;
  -o-animation-iteration-count: infinite;
  animation-iteration-count: infinite;
  -webkit-animation-duration: 1.3s;
  -moz-animation-duration: 1.3s;
  -o-animation-duration: 1.3s;
  animation-duration: 1.3s
}

@-webkit-keyframes anim-in {
  0% {
    width: 0
  }

  100% {
    width: 100%
  }
}

@-moz-keyframes anim-in {
  0% {
    width: 0
  }

  100% {
    width: 100%
  }
}

@-o-keyframes anim-in {
  0% {
    width: 0
  }

  100% {
    width: 100%
  }
}

@keyframes anim-in {
  0% {
    width: 0
  }

  100% {
    width: 100%
  }
}

@-webkit-keyframes anim-in-pseudo {
  0% {
    background: rgba(0, 0, 0, 0.25)
  }

  100% {
    background: transparent
  }
}

@-moz-keyframes anim-in-pseudo {
  0% {
    background: rgba(0, 0, 0, 0.25)
  }

  100% {
    background: transparent
  }
}

@-o-keyframes anim-in-pseudo {
  0% {
    background: rgba(0, 0, 0, 0.25)
  }

  100% {
    background: transparent
  }
}

@keyframes anim-in-pseudo {
  0% {
    background: rgba(0, 0, 0, 0.25)
  }

  100% {
    background: transparent
  }
}

@-webkit-keyframes anim-out {
  0% {
    width: 0
  }

  100% {
    width: 100%
  }
}

@-moz-keyframes anim-out {
  0% {
    width: 0
  }

  100% {
    width: 100%
  }
}

@-o-keyframes anim-out {
  0% {
    width: 0
  }

  100% {
    width: 100%
  }
}

@keyframes anim-out {
  0% {
    width: 0
  }

  100% {
    width: 100%
  }
}

@-webkit-keyframes anim-out-pseudo {
  0% {
    background: rgba(0, 0, 0, 0.25)
  }

  100% {
    background: transparent
  }
}

@-moz-keyframes anim-out-pseudo {
  0% {
    background: rgba(0, 0, 0, 0.25)
  }

  100% {
    background: transparent
  }
}

@-o-keyframes anim-out-pseudo {
  0% {
    background: rgba(0, 0, 0, 0.25)
  }

  100% {
    background: transparent
  }
}

@keyframes anim-out-pseudo {
  0% {
    background: rgba(0, 0, 0, 0.25)
  }

  100% {
    background: transparent
  }
}

.fk_button_one {
  position: absolute;
  width: 184px;
  height: 54px;
  border: 1px solid #2f82ff;
  color: #2f82ff;
  -moz-border-radius: 40px;
  border-radius: 40px;
  text-align: center;
  line-height: 54px;
  font-size: 16px;
  display: block;
  vertical-align: middle;
  z-index: 1;
  -webkit-backface-visibility: hidden;
  -moz-osx-font-smoothing: grayscale
}

.fk_button_one:focus {
  outline: 0
}

.fk_button_one>span {
  vertical-align: middle
}

.button--nina {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  background: transparent;
  overflow: hidden;
  -webkit-transition: background-color .3s;
  -o-transition: background-color .3s;
  -moz-transition: background-color .3s;
  transition: background-color .3s
}

.button--nina>span {
  display: inline-block;
  opacity: 0;
  color: #fff;
  -webkit-transform: translate3d(0, -100%, 0);
  -moz-transform: translate3d(0, -100%, 0);
  transform: translate3d(0, -100%, 0);
  -webkit-transition: -webkit-transform .3s, opacity .3s;
  -webkit-transition: opacity .3s, -webkit-transform .3s;
  transition: opacity .3s, -webkit-transform .3s;
  -o-transition: opacity .3s, -o-transform .3s;
  -moz-transition: transform .3s, opacity .3s, -moz-transform .3s;
  transition: transform .3s, opacity .3s;
  transition: transform .3s, opacity .3s, -webkit-transform .3s, -moz-transform .3s, -o-transform .3s
}

.button--nina::before {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  -webkit-transition: -webkit-transform .3s, opacity .3s;
  -webkit-transition: opacity .3s, -webkit-transform .3s;
  transition: opacity .3s, -webkit-transform .3s;
  -o-transition: opacity .3s, -o-transform .3s;
  -moz-transition: transform .3s, opacity .3s, -moz-transform .3s;
  transition: transform .3s, opacity .3s;
  transition: transform .3s, opacity .3s, -webkit-transform .3s, -moz-transform .3s, -o-transform .3s
}

.fk_button_one:hover {
  background: #2f82ff;
  line-height: 46px
}

.button--nina:hover::before {
  opacity: 0;
  -webkit-transform: translate3d(0, 100%, 0);
  -moz-transform: translate3d(0, 100%, 0);
  transform: translate3d(0, 100%, 0)
}

.button--nina:hover>span {
  line-height: 46px;
  opacity: 1;
  -webkit-transform: translate3d(0, 0, 0);
  -moz-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0)
}

.button--nina:hover>span:nth-child(1) {
  -webkit-transition-delay: .045s;
  -moz-transition-delay: .045s;
  -o-transition-delay: .045s;
  transition-delay: .045s
}

.button--nina:hover>span:nth-child(2) {
  -webkit-transition-delay: .09s;
  -moz-transition-delay: .09s;
  -o-transition-delay: .09s;
  transition-delay: .09s
}

.button--nina:hover>span:nth-child(3) {
  -webkit-transition-delay: .135s;
  -moz-transition-delay: .135s;
  -o-transition-delay: .135s;
  transition-delay: .135s
}

.button--nina:hover>span:nth-child(4) {
  -webkit-transition-delay: .18s;
  -moz-transition-delay: .18s;
  -o-transition-delay: .18s;
  transition-delay: .18s
}

.button--nina:hover>span:nth-child(5) {
  -webkit-transition-delay: .225s;
  -moz-transition-delay: .225s;
  -o-transition-delay: .225s;
  transition-delay: .225s
}

.button--nina:hover>span:nth-child(6) {
  -webkit-transition-delay: .27s;
  -moz-transition-delay: .27s;
  -o-transition-delay: .27s;
  transition-delay: .27s
}

.button--nina:hover>span:nth-child(7) {
  -webkit-transition-delay: .315s;
  -moz-transition-delay: .315s;
  -o-transition-delay: .315s;
  transition-delay: .315s
}