.big-button {
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  align-items: center;
  background: #ff0000 !important;
  border: none;
  border-radius: 40px !important;
  -webkit-box-shadow: var(--cr-shadow);
  box-shadow: var(--cr-shadow);
  color: #fff !important;
  cursor: pointer;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  font-size: 30px;
  font-weight: 700;
  justify-content: center;
  min-height: 70px !important;
  text-decoration: none;
  text-shadow: 0 1px 0 hsl(0deg 0% 0% / 60%) !important;
  text-transform: uppercase;
  width: 100%;
  animation: pulse 2s infinite;
}

.fixed-top {
  position: fixed;
  top: 80px !important;
  right: 0;
  left: 0;
  z-index: 1030;
}

@keyframes pulse {
  0% {
    -moz-box-shadow: 0 0 0 0 #c72b2b;
    box-shadow: 0 0 0 0 #c72b2b;
  }
  70% {
    -moz-box-shadow: 0 0 0 10px rgba(0, 139, 204, 0);
    box-shadow: 0 0 0 10px rgba(0, 139, 204, 0);
  }
  100% {
    -moz-box-shadow: 0 0 0 0 rgba(0, 139, 204, 0);
    box-shadow: 0 0 0 0 rgba(0, 139, 204, 0);
  }
}

@media (min-width: 600px) {
  .fixed-top {
    position: fixed;
    top: 0px !important;
    right: 0;
    left: 0;
    z-index: 1030;
  }
}