body {
  background: #000000;
}

#algo {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

#header h1 {
  text-align: center;
  padding: 0;
  z-index: 1;
}

#header h1 b {
  position: relative;
  display: inline-block;
  transition: color 0.3s ease;
  color: #ffffff;
  font-size: 65px;
  font-weight: 500;
  letter-spacing: 24px;
}

#header i {
  color: #ffffff;
  transition: color 0.3s ease;
}

.startstop {
  cursor: pointer;
  position: relative;
  top: -1px;
}

#spin2.fa-spin {
  animation: fa-spin 10s infinite linear;
}

#aStop {
  display: none;
}

@media (max-width: 768px) {
  #header h1 b {
    font-size: 49px;
    letter-spacing: 9px;
  }

  .fa-2xl {
    font-size: 1.5em;
  }

  .startstop {
    top: -4px;
  }
}

@media (max-width: 480px) {
  #header h1 b {
    font-size: 30px;
    letter-spacing: 5px;
  }

  .fa-2xl {
    font-size: 1em;
  }

  .startstop {
    top: 1px;
  }

  .navbar.align-items-center {
    align-items: left !important;
  }
}

.hover-white input:hover + label,
.hover-white label:hover,
.hover-white:hover {
  color: #ffffff;
}

.navbar-toggler-icon:hover {
  border-color: #ffffff;
}

.controls {
  font-size: 5px;
}

.controls select {
  font-size: 10px;
}
.controls label {
  font-size: 13px;
}

.controls input[type=checkbox] {
  top: 3px;
  position: relative;
}

input[type=range] {
  -webkit-appearance: none;
  width: 100%;
  height: 1px;
  border-radius: 1px;
  padding: 0;
  margin: 0;
  background: linear-gradient(to right,
              transparent,
              white 50%,
              white 50%,
              transparent);
  outline: none;
  border-radius: 5px;
}

.contact i,
.navbar-toggler i {
  font-size: 16px;
  line-height: 16px;
  color: #ccc;
}

.contact i:hover,
.navbar-toggler i:hover {
  color: #ffffff !important;
}

input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 10px;
  height: 12px;
  border-radius: 10%;
  background: #dddddd;
  cursor: pointer;
}

.cursor-pointer {
  cursor: pointer !important;
}

.offcanvas {
  bottom: 40px !important;
  top: inherit !important;
  width: 275px !important;
}
.offcanvas-header {
  padding-bottom: 0;
}
.offcanvas-backdrop.show {
  opacity: 0;
}

#togglerIcon {
  width: 5px;
}

#togglerIcon.fa-xmark {
  padding-left: 2px;
}