body {
  height: 100vh;
  background-color: gray;
  background-size: 100% 100%;
  background-repeat: no-repeat;
  display: flex;
  flex-wrap: no-wrap;
  align-items: center;
  flex-direction: column;
  padding: 3%
}

.container {
  margin: 0 auto;
}

.calculator {
  padding: 10px 30px;
}

label {
  font-weight: 300;
  font-size: 0.9rem;
  text-transform: uppercase;
  padding-bottom: 6px;
}

#torque-input, #speed-input {
  text-align: center;
  border-radius: 5px;
  border: solid 0px;
  box-shadow: 1px 1px 2px #dfdfdf;
}

.calc-head {
  width: 100%;
  height: 50px;
  border-radius: 5px 5px 0px 0px;
  background-size: 100% 100%;
  background-repeat: no-repeat;
}

.calc-box {
  background-color: #f2f6f9;
  border-radius: 5px;
  box-shadow: 3px 3px 3px 1px rgba(255, 255, 255, 0.2);
  margin: 0 auto;
  max-width: 400px;
}

.show-calc p {
  color: #1f60ad;
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}

.slidecontainer {
  width: 100%;
}

.slider {
  -webkit-appearance: none;
  width: 100%;
  height: 15px;
  border-radius: 5px;
  background: #d3d3d3;
  outline: none;
  opacity: 0.7;
  -webkit-transition: 0.2s;
  transition: opacity 0.2s;
}

.slider:hover {
  opacity: 1;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: #1f60ad;
  cursor: pointer;
}

.slider::-moz-range-thumb {
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: #1f60ad;
  cursor: pointer;
}

#article {
  color: white;
  padding: 2% 15%;
}

a { 
  color: yellow;
}