Stopwatch/style.css at main · abdullahislam123/Stopwatch · GitHub

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/* --- General Reset --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

/* --- Background --- */
body {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, #3a0ca3, #7209b7, #f72585);
  color: #fff;
  overflow: hidden;
}

/* --- Main container --- */
main {
  text-align: center;
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 20px;
  padding: 50px 70px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  animation: fadeIn 1s ease-in-out;
}

/* --- Title --- */
h1 {
  font-size: 2.5rem;
  margin-bottom: 30px;
  letter-spacing: 2px;
}

/* --- Stopwatch Display --- */
.stopwatch {
  margin-bottom: 40px;
}

.counter {
  font-size: 3.5rem;
  font-weight: 600;
  letter-spacing: 3px;
  color: #000000;
  text-shadow: 0 0 10px #f72585, 0 0 20px #f72585;
  transition: all 0.3s ease;
}

/* --- Buttons --- */
.buttons {
  display: flex;
  justify-content: center;
  gap: 25px;
}

button {
  font-size: 1.1rem;
  padding: 12px 30px;
  border-radius: 30px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  color: #fff;
  font-weight: 500;
}

.btn1 {
  background: #f72585;
}

.btn2 {
  background: #4361ee;
}

.btn3 {
  background: #4cc9f0;
}

/* --- Button Hover Effects --- */
button:hover {
  transform: translateY(-4px);
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
}

/* --- Button Active (Click) --- */
button:active {
  transform: scale(0.97);
}

/* --- Animations --- */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* --- Responsive --- */
/* Small phones */
@media (max-width: 600px) {
  main { padding: 30px 40px; }
  .counter { font-size: 2.5rem; }
  button { padding: 10px 20px; font-size: 1rem; }
}

/* Tablets */
@media (max-width: 900px) and (min-width: 601px) {
  main { padding: 40px 60px; }
  .counter { font-size: 3rem; }
  button { padding: 12px 25px; font-size: 1.1rem; }
}

/* Laptops / Desktops */
@media (min-width: 901px) {
  main { padding: 50px 70px; }
  .counter { font-size: 3.5rem; }
  button { padding: 14px 30px; font-size: 1.2rem; }
}