h1{
    text-align: center;
}

header{
    background-color: cornflowerblue;
}

#logo{
    display: block;
    margin: auto;
    height: 300px;
    width: 600px;
}

.indexDiv1{
    display: flex;
    gap: 20px;
}

#mainPage{
    flex: 1;
    padding: 5px;
    border: 2px solid black;
}

#links{
    flex: 1;
    padding: 5px;
    border: 2px solid black;
}

#CMHA{
    display: block;
    margin: auto;
    height: 200px;
    width: 200px;
}

#SMOG{
    display: block;
    margin: auto;
    height: 200px;
    width: 200px;
}