body
{
  background-color:#0077b6;
  margin:0;
  padding:20px;
}
.contenidor-general
{
  background-color: #ffffff;
  border: 3px solid #00b4d8;
  border-radius: 20px;
  padding: 40px;
  max-width:900px;
  margin:0 auto;
  box-shadow: 0 6px 16px rgba(0, 119, 182, 0.3);
}
h1
{
  text-align: center;
  margin-bottom: 40px;
  color: #0077b6;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.1);
}
.bloc
{
  border: 2px solid #90e0ef;
  border-radius:16px;
  padding: 25px;
  margin-bottom:30px;
  background: linear-gradient(180deg, #f9fcfd 0%, #e9f9fc 100%);
  box-shadow: 0 2px 8px rgba(0, 180, 216, 0.15);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.bloc:hover
{
  transform: translateY(-3px);
  box-shadow: 0 6px 14px rgba(0, 119, 182, 0.25);
}
.bloc h2, h3
{
  margin-top: 0;
  color: #03045e;
  border-bottom: 2px solid #00b4d8;
  padding-bottom: 8px;
  font-weight: 600;
}
img
{
  display: block;
  margin: 15px auto;
  max-width: 100%;
  border-radius: 10px;
  border: 2px solid #90e0ef;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
p, ul, li
{
  text-align: justify;
  line-height: 1.6;
  color: #03045e;
}
i
{
  color: #0077b6;
}