body {
    background-color: black;
    border: 1px solid black;
    color: white;
    height: 700px;
    width: 750px;
    margin: 1em auto;
}
h1 {
    color: pink;
}
.fl {
    background-color: silver;
    border: 1px solid blue;
    color: black;
    float: left;
    height: 27%;
    margin: 1%;
    width: 31%;
}
#ttt {
}