body {
  margin: 0;
}
#rpmGauge {
  width: 300px;
  height: 300px;
  position: relative;
  margin: 30px auto;
}
#rpmGauge img {
  width: 100%;
  height: 100%;
  display: block;
}
#needle {
  width: 4px;
  height: 50px;
  background: rgb(255, 111, 0);
  position: absolute;
  left: 69%;
  top: 32%;
  transform-origin: bottom center;
  transform: rotate(-140deg); 

}

p {
  color:  #990000;
}

h1.entry-title {
  color:  #990000;
}

:root {
  --accent: #4db4ff;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}
button {
  font-family: monospace;
  padding: 10px 18px;
  margin: 20px auto;
  cursor: pointer;
  background: #222;         
  color: white;               
  border: 1px solid var(--accent);
  display: inline-block;
  transition: all 0.3s ease;
}

button:hover {
  transform: scale(1.03);   
  background: var(--accent);
  color: black;
}
.entry-container {
  max-width: 760px;
  padding: 50px 20px;
  margin: 0 auto;
  line-height: 1.7;
  opacity: 0;
  transform: translateY(10px);
  animation: fadeIn 0.7s ease forwards;
}
@keyframes fadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
input[type=range] {
  width: 300px;
  margin-top: 15px;
  background: #222;
  height: 6px;
  border-radius: 3px;
  outline: none;
}

input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  background: #4db4ff; 
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.2s ease;
}

input[type=range]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

input[type=range]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: #4db4ff;
  border-radius: 50%;
  cursor: pointer;
}
a {
  color: #4db4ff;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}





.entry-title {
  font-size: 2rem;
  margin-bottom: 10px;
}

body, .content p {
  font-size: 1rem;
  line-height: 1.7; 
}
.label {
  font-size: 1.1rem;  
  margin-top: 10px;
}

#output, #needleValue {
  font-size: 1.25rem;
  font-weight: bold;
  margin-top: 10px;
}
.content {
  max-width: 700px;
  margin: 30px auto 0 auto;
  font-size: 1rem;   
  line-height: 1.7;
  text-align: justify;
  text-justify: inter-word;
}

h1.entry-title {
  color: #990000 !important;  
}