#button{
  display:block;
  margin:20px auto;
  padding:10px 30px;
  background-color:#eee;
  border:solid #ccc 1px;
  cursor: pointer;
}
#overlay{	
  position: fixed;
  top: 0;
  z-index: 100;
  width: 100%;
  height:100%;
  display: none;
  background: rgba(0,0,0,0.6);
}
.cv-spinner {
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;  
}
.spinner {
  width: 40px;
  height: 40px;
  border: 4px #ddd solid;
  border-top: 4px #2e93e6 solid;
  border-radius: 50%;
  animation: sp-anime 0.8s infinite linear;
}
@keyframes sp-anime {
  100% { 
    transform: rotate(360deg); 
  }
}
.is-hide{
  display:none;
}


#progress-spinner {
  border-radius: 50%;
  height: 100px;
  width: 100px;
}

#middle-circle {
  position: absolute;
  border-radius: 50%;
  height: 80px;
  width: 80px;
  background-color: rgb(248, 248, 248);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: large;
  font-weight: bold;
}