* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.menu-container {
    color: #fff;
    background-color: #5995DA; /* Blue */
    padding: 20px 0;
    display: flex;
    position: fixed;
    width: 100%;
    justify-content: center;
}

.menu {
    /* border: 1px solid #fff; For debugging */
    width: 900px;
    display: flex;
    justify-content: space-between;
}

.links {
    /* border: 1px solid #fff; For debugging */
    display: flex;
    justify-content: flex-end;
}

.signup {
    margin-left: auto;
  }

.login {
    margin-left: 20px;
}

.header-container {
  border: 1px solid red;
    color: #5995DA;
    background-color: #D6E9FE;
    display: flex;
    justify-content: center;
  }
  
  .header {
    width: 900px;
    height: 300px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  /* .header-item {
    border: 1px solid #fff;
    height: 50px;
    flex: 1;

  } */

  .photo-grid-container {
    /* border: 1px solid black; */
    display: flex;
    justify-content: center;
  }
  
  .photo-grid {
    width: 900px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    flex-direction: row;  /* <--- Really freaking cool! */
    align-items: center;
  }
  
  
  .photo-grid-item {
    border: 1px solid #fff;
    width: 300px;
    height: 300px;
  }


.first-item {
    order: 1;
  }
  
  .last-item {
    order: -1;
  }

  .footer {
    display: flex;
    justify-content: space-between;
  }
  
  .footer-item {
    /* border: 1px solid #fff; */
    background-color: #D6E9FE;
    height: 200px;
    flex: 1;
  }

  .footer-one,
  .footer-three {
    background-color: #5995DA;
    flex: initial;
    width: 300px;
  }

  .footer-two {
    min-width: 200px;
  }