header{
    position: fixed;
    background: rgba(157, 148, 151, 0.2);
    box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.25);
}

.contact{
  margin-top: 100px;
}

@media (min-width: 1240px){

    header{
      position: sticky;
    }
    .contact{
      margin-top: 0px;
    }
  
    header nav .links div a {
        color: var(--titleColor);
    }
    
    .links a::after {
      content: "";
      position: absolute;
      width: 100%;
      left: 0;
      bottom: 0;
      height: 2px;
      background-color: #292929;
      transform: scale(0, 1);
    }
  }

.contact{
    padding: 47px 0px 100px 0px;
}