nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.grid-container {
    display: grid;
    grid-template-columns: minmax(0px, 1fr) repeat(6, minmax(0, 175px)) minmax(0px, 1fr);
  }
nav a{
    text-decoration: none;
    color: black;
    font-family: Arial, sans-serif;
    font-size: large;
}
h2 img{
    width: 45%;
    box-sizing: border-box;
}
nav h1{
    margin: 0;
    font-family: Arial, sans-serif;
    font-size: xx-large;
}
nav img{
    width: 150px;
    box-sizing: border-box;
}
h3 img{
    width: 95%;
    box-sizing: border-box;
}
footer{
    background-color: black;
    display: block;
    height: 100px;
    width: 100%;
}