.content-block {
  text-align: center;
  margin: 30px 0;
}

h1 {
  margin-bottom: 40px;
}

.box {
  width: 300px;
  height: 220px;
  margin: 25px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.linear {
  background: linear-gradient(45deg, red, blue);
}

.radial {
  background: radial-gradient(circle, #9500ff, #000000);
}

.conic {
  background: conic-gradient(red, yellow, green, blue, red);
}

.transform2d__ex-1 {
  background-color: #004cc5;
}
.transform2d__ex-1:hover {
  transform: rotate(10deg) scale(1.1);
  transition: 0.3s;
}

.transform2d__ex-2 {
  background-color: #ffac38;
}
.transform2d__ex-2:hover {
  transform: translateX(20px) skewX(10deg);
  transition: 0.3s;
}

.transform3d__ex-1 {
  background-color: purple;
  transform-style: preserve-3d;
}
.transform3d__ex-1:hover {
  transform: rotateY(180deg);
  transition: 2s;
}

.transform3d__ex-2 {
  background-color: #ad0000;
  transform-style: preserve-3d;
  perspective: 600px;
}
.transform3d__ex-2:hover {
  transform: rotateX(180deg) translateZ(20px);
  transition: 2s;
}

.transition__ex-1 {
  background-color: #2fbaff;
  color: black;
  padding: 20px;
  transition:
    background-color 0.5s,
    color 0.5s;
}

.transition__ex-1:hover {
  background-color: #e74c3c;
  color: white;
}
.transition__ex-2 {
  background-color: #9b59b6;
  color: white;
  padding: 20px;
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}

.transition__ex-2:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 20px rgba(24, 24, 24, 0.698);
}