.container-header{
  background: rgb(11,11,11);
background: linear-gradient(90deg, rgba(11,11,11,1) 0%, rgba(42,45,75,1) 64%);
}
body {
 background: rgb(11,11,11);
background: linear-gradient(90deg, rgba(11,11,11,1) 0%, rgba(42,45,75,1) 64%);  
  color: #ff9900;
}