.flutuante{
  position: fixed;
  bottom: 20px;
  left: 90px;
  z-index: 99;
}

.flutuante a, .flutuante a{
  cursor: pointer;
  width: 48px;
  height: 48px;
  border-radius: 30px;
  text-align: center;
  background-color: #ffb600;
  border: none;
  box-shadow: 0 1px 5px rgba(0,0,0,.4);
  font-size: 23px;
  color: white;    
  -webkit-transition: .2s ease-out;
  -moz-transition: .2s ease-out;
  transition: .2s ease-out;
  line-height: 15px;
}

.flutuante a i{
  line-height: 24px
}

.flutuante a:focus{
  outline: none;
}

@keyframes animate{
    0%{box-shadow: 0 0 0 0 rgba(37, 86, 161, 0.7), 0 0 0 0 rgba(37, 86, 161, 0.7);}
    40%{box-shadow: 0 0 0 50px rgba(37, 86, 161, 0), 0 0 0 0 rgba(37, 86, 161, 0.7);}
    80%{box-shadow: 0 0 0 50px rgba(37, 86, 161, 0), 0 0 0 30px rgba(37, 86, 161, 0);}
    100%{box-shadow: 0 0 0 0 rgba(37, 86, 161, 0), 0 0 0 30px rgba(37, 86, 161, 0);}
}

@-webkit-keyframes scrollanimation {
    0%{box-shadow: 0 0 0 0 rgba(37, 86, 161, 0.7), 0 0 0 0 rgba(37, 86, 161, 0.7);}
    40%{box-shadow: 0 0 0 50px rgba(37, 86, 161, 0), 0 0 0 0 rgba(37, 86, 161, 0.7);}
    80%{box-shadow: 0 0 0 50px rgba(37, 86, 161, 0), 0 0 0 30px rgba(37, 86, 161, 0);}
    100%{box-shadow: 0 0 0 0 rgba(37, 86, 161, 0), 0 0 0 30px rgba(37, 86, 161, 0);}
}
@-moz-keyframes scrollanimation {
    0%{box-shadow: 0 0 0 0 rgba(37, 86, 161, 0.7), 0 0 0 0 rgba(37, 86, 161, 0.7);}
    40%{box-shadow: 0 0 0 50px rgba(37, 86, 161, 0), 0 0 0 0 rgba(37, 86, 161, 0.7);}
    80%{box-shadow: 0 0 0 50px rgba(37, 86, 161, 0), 0 0 0 30px rgba(37, 86, 161, 0);}
    100%{box-shadow: 0 0 0 0 rgba(37, 86, 161, 0), 0 0 0 30px rgba(37, 86, 161, 0);}
}
@-ms-keyframes scrollanimation {
    0%{box-shadow: 0 0 0 0 rgba(37, 86, 161, 0.7), 0 0 0 0 rgba(37, 86, 161, 0.7);}
    40%{box-shadow: 0 0 0 50px rgba(37, 86, 161, 0), 0 0 0 0 rgba(37, 86, 161, 0.7);}
    80%{box-shadow: 0 0 0 50px rgba(37, 86, 161, 0), 0 0 0 30px rgba(37, 86, 161, 0);}
    100%{box-shadow: 0 0 0 0 rgba(37, 86, 161, 0), 0 0 0 30px rgba(37, 86, 161, 0);}
}
@keyframes scrollanimation {
    0%{box-shadow: 0 0 0 0 rgba(37, 86, 161, 0.7), 0 0 0 0 rgba(37, 86, 161, 0.7);}
    40%{box-shadow: 0 0 0 50px rgba(37, 86, 161, 0), 0 0 0 0 rgba(37, 86, 161, 0.7);}
    80%{box-shadow: 0 0 0 50px rgba(37, 86, 161, 0), 0 0 0 30px rgba(37, 86, 161, 0);}
    100%{box-shadow: 0 0 0 0 rgba(37, 86, 161, 0), 0 0 0 30px rgba(37, 86, 161, 0);}
}

.flutuante a.main{
  position: fixed;
  width: 70px;
  height: 70px;
  border-radius: 45px;
  background-color: #2556a1;
  right: 20px;
  bottom: 20px;
  z-index: 20;
  -webkit-animation-duration: 3s;
  -moz-animation-duration: 3s;
  animation-duration: 3s;
  animation-iteration-count: infinite;
  -webkit-animation-iteration-count: infinite;
  -moz-animation-iteration-count: infinite;
  -webkit-animation-name: scrollanimation;
  -moz-animation-name: scrollanimation;
  animation-name: scrollanimation;
  animation-timing-function: linear;
  -webkit-animation-timing-function: linear;
  -moz-animation-timing-function: linear;
}

.flutuante a.main i{
  position: relative;
  color: #fff;
  top: 30%;
  font-size: 45px;
}

.flutuante.show a.main,
.flutuante.show a.main{
  outline: none;
  background-color: #2556a1 ;
  box-shadow: 0 3px 8px rgba(0,0,0,.5);
 }