sevenblocks.css

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

nav{
    background-color: darkgrey;
    color: black;
    height: 50px;
    width: 100%;
    padding-top: 10px;
    text-align: center;
    text-size-adjust: 20px;
    
}
nav li{
    display: inline-block;
    font-size: xx-large;
    padding-right: 50px;

   
}
h1{
    padding-top: 25px;
    text-align: center;
    color: darkgreen;
}
.red{
    height: 100px;
    width: 100%;
    background-color: rgb(235, 4, 4);
}
.violet{

    height: 100px;
    width: 100%;
    background-color:violet;
}
.yellow{

    height: 100px;
    width: 100%;
    background-color:yellow;
}
.black{

    height: 100px;
    width: 100%;
    background-color: black;
}
.orange{

    height: 100px;
    width: 100%;
    background-color: orange;
}
.lightblue{

    height: 100px;
    width: 100%;
    background-color: lightblue;
}
.brown{

    height: 100px;
    width: 100%;
    background-color: brown;
}