.description {
  position: absolute;
  left: 30px;
  bottom: 17px;
  z-index: 60;
  color: #fff;
  font-size: 14px;
  line-height: 1;
  box-sizing: border-box;
  display: flex;
}
.cross {
  height: 9px;
  margin-right: 5px;
  margin-top: 2px;
}
.btn {
  position: absolute;
  background: #21594D;
  color: #fff;
  border-radius: 50%;
}
.btn--open {
  width: 40px;
  height: 40px;
  right: 20px;
  bottom: 20px;
  z-index: 80;
  font-size: 14px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: 'Akzidenz-Grotesk Pro Cnd';
  animation: pulse 1s ease-in-out 30 alternate-reverse;
}
@keyframes pulse {
  from {
    box-shadow: 0 0 0px 0 #21594D;
  }
  to {
    box-shadow: 0 0 0px 2px #21594D;
  }
}
.btn--close {
  width: 30px;
  height: 30px;
  right: 10px;
  top: 10px;
  transition: .2s;
}
.btn--close::before,
.btn--close::after {      
  position: absolute;
  content: '';
  background: #fff;
  height: 2px;
  width: 16px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
  border-radius: 2px;
}
.btn--close::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}
.popup {
  width: 100%;
  position: absolute;
  left: 0;
  bottom: -40%;
  right: 0;
  background: rgb(41,95,75);
  background: linear-gradient(90deg, rgba(41,95,75,1) 0%, rgba(84,128,66,1) 100%);
  z-index: 1000;
  transition: .3s ease-in-out;
  color: #fff;
  padding: 17px 50px 17px 15px;
  box-sizing: border-box;
  font-size: 15px;
  line-height: 17px;
}
.popup p {
  margin-top: 0;
}
.popup p:last-of-type {
  margin-bottom: 0;
}
.popup.open {
  bottom: 0;
}
.popup:hover .btn--close {
  transform: scale(1.2);
}