.title1{ text-align: center;
    font-size: 60px;
    color: gold;}

body {
    background-image: url("images/bkgd.jpg");
    background-color: #383737;
text-align: center;
   }


a#btn_html2 {
    display:inline-block;
    box-sizing:border-box;
    border-radius: 50px;
    margin: auto;
    margin-top: 50px;
    padding-top: 8px;
    transition: all .5s;
}

a#btn_html2:hover {
    display:inline-block;
    margin-left:auto;
    margin-top:80px;
    margin-bottom: auto;
   background-color: white;
}

.grid img {width: 50%; }
.grid {padding: 15; }
.using-floats li {float: left; }
.using-floats::after {
    content: ""; 
    display: block;
    clear: both;}
.grid li {
    display: block; 
    width: 30%; 
    text-align: center; 
    font-size: 1rem; 
    margin-bottom: 1rem; }