.boton-up svg{
  width: 15px;
}
.boton-up a{
  padding: 11px !important;
  z-index: 1000;
  display: none;
  background: white;
  transition: .3s ease-out;
  position: fixed;
  bottom: 15px;
  right: 15px;
  padding: 15px;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  -webkit-box-shadow: 1px 1px 10px 0px rgba(120,120,120,1);
  -moz-box-shadow: 1px 1px 10px 0px rgba(120,120,120,1);
  box-shadow: 1px 1px 10px 0px rgba(120,120,120,1);
}
.boton-up a:hover{
  background: #d4001b;
}
.boton-up a:hover path{
  background: #d4001b;
  fill: #fff;
}