.container-header {
  position: relative;
  z-index: 10;
  margin-bottom: 20px;
  background-color: #808080;
  background-image: linear-gradient(135deg, #808080 0%, #808080 100%);
  box-shadow: 0 5px 5px rgba(0, 0, 0, 0.03) inset;
}
.footer {
  background: #808080;
  background: linear-gradient(90deg, #808080 0%, #808080 100%); 
}