.popupcontent {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  justify-content: center;
  align-items: center;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.popupcontent.show {
  display: flex;
  opacity: 1;
}

.popupcontent.hide {
  opacity: 0;
  transition: opacity 0.5s ease;
}

.popup{
  background: white;
  padding: 20px;
  border-radius: 5px;
  width: 300px;
  text-align: center;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  position: relative;
  margin: auto;
  
}
.popup button{
    display: block;
    margin:  0 0 20px auto;
    background-color: transparent;
    font-size: 30px;
    color: #ffffff;
		background: #1b0000;
		border-radius: 100%;
		width: 40px;
		height: 40px;
    border: none;
    outline: none;
    cursor: pointer;
}
.popup h2{
	margin-top: -20px;
}
.popup p{
    font-size: 14px;
    text-align: justify;
    margin: 20px 0;
    line-height: 25px;
}
a#up.btn{
    display: block;
    width: 150px;
    position: relative;
    margin: 10px auto;
    text-align: center;
    background: rgb(148, 8, 8);
    box-shadow: 0px 5px 18px rgba(48, 68, 247, 0.6);		border-radius: 20px;
    color: #ffffff;
    text-decoration: none;
    padding: 8px 0;
    transition: 0.5s;
    padding: 1.6rem 3rem;
    border-radius: 4em;
}


a#up.btn span {
  font-weight: 700;
  font-size: 1.7rem;
  letter-spacing: 0.1rem;
}
a#up.btn i {
  margin-left: 0.3rem;
  font-size: 1.5rem;
  transition: 0.3s;
}
a#up.btn.btn:hover {
  background: linear-gradient(135deg, rgb(157, 27, 27), #323844);
  

}
a#up.btn.btn:hover i {
  transform: translateX(5px);
}