body {
    background: #c5c5c5;
    color: #282828; }

h3, .h3 {
    color: #333; }
      
.card-section {
    color: #333;
    background: #c5c5c5;
  }
  
.card-section .titulo {
    color: #2d2b2b;
}

.card-section .card {
    color: #333;
    border-radius: 13px;
  }
  
.card-section .card .titulo {
    color: #333;
}