body,
html {
  height: 100%;
  width: 100%;
  padding: 0;
  margin: 0;
  font-family: 'Courier New', Courier, monospace;
}

#sinfo {
  font-size: 25px;
  margin-left: 5px;
  font-weight: 600;
}

.slider {
  -webkit-appearance: none;
  appearance: none;
  width: 80%;
  height: 15px;
  border-radius: 5px;
  background: #d3d3d3;
  outline: none;
  opacity: 0.7;
  -webkit-transition: .2s;
  transition: opacity .2s;
}

.slider:hover {
  opacity: 1;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: #04AA6D;
  cursor: pointer;
}

.slider::-moz-range-thumb {
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: #04AA6D;
  cursor: pointer;
}