FormulaHub/style.css at main · NawazHaider/FormulaHub · GitHub

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/* General styles */
body {
  font-family: 'Poppins', sans-serif;
  margin: 0;
  padding: 0;
  background-color: #fff;
  color: #222;
  line-height: 1.6;
}

/* Header and Footer */
header, footer {
  background-color: #005f99;
  color: white;
  text-align: center;
  padding: 1rem;
}

/* Navigation bar */
nav {
  background-color: #e6f2ff;
  padding: 1rem;
  text-align: center;
}
nav a {
  margin: 0 1rem;
  text-decoration: none;
  color: #005f99;
  font-weight: bold;
}

/* Chapter header strip */
.chapter-header {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #005f99;
  color: white;
  padding: 2rem;
  border-radius: 8px;
  margin-bottom: 2rem;
  background-repeat: no-repeat;
  background-position: 20px center;
}
.chapter-header h1 {
  margin: 0;
  font-size: 2rem;
  text-align: center;
}

/* Back button */
.back-button {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: #005f99;
  font-weight: bold;
  margin: 1.5rem;
  font-size: 1rem;
}
.back-button img {
  margin-right: 8px;
  width: 50px;
  height: 40px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.back-button img:hover {
  transform: scale(1.2);
  opacity: 0.8;
}

/* Formula box */
.formula-box {
  background-color: #f0f8ff;
  border-left: 5px solid #005f99;
  padding: 1rem 1.5rem;
  margin: 1.5rem;
  box-shadow: 0 2px 5px rgba(0,0,0,0.06);
}

/* Strong text in formulas */
strong {
  font-size: 1.1rem;
  display: block;
  margin-bottom: 0.5rem;
}

/* Responsive for small screens */
@media (max-width: 700px) {
  .chapter-header {
    padding: 1rem;
  }
  .formula-box {
    margin: 1rem 0.5rem;
    padding: 1rem;
  }
}