.lds-ripple,
.lds-ripple div {
  box-sizing: border-box;
}
.lds-ripple {
  display: inline-block;
  position: relative;
  width: 80px;
  height: 80px;
}
.lds-ripple div {
  position: absolute;
  border: 4px solid currentColor;
  opacity: 1;
  border-radius: 50%;
  animation: lds-ripple 1s cubic-bezier(0, 0.2, 0.8, 1) infinite;
}
.lds-ripple div:nth-child(2) {
  animation-delay: -0.5s;
}
@keyframes lds-ripple {
  0% {
    top: 36px;
    left: 36px;
    width: 8px;
    height: 8px;
    opacity: 0;
  }
  4.9% {
    top: 36px;
    left: 36px;
    width: 8px;
    height: 8px;
    opacity: 0;
  }
  5% {
    top: 36px;
    left: 36px;
    width: 8px;
    height: 8px;
    opacity: 1;
  }
  100% {
    top: 0;
    left: 0;
    width: 80px;
    height: 80px;
    opacity: 0;
  }
}

#loading {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100vw;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999;
    background: rgba(255, 255, 255, 0.7);
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
}
#loading.show {
    opacity: 1;
    visibility: visible;
}
.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid currentColor;
    opacity: 1;
    border-radius: 50%;
    animation: lds-ripple 1s cubic-bezier(0, 0.2, 0.8, 1) infinite;
}
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.text_percentage {
  position: fixed;
  margin-top: 150px;
  margin-left: -5px;
  font-size: 16px;
  color: #3498db;
}