html {
    font-family: Lato;
    display: inline-block;
    margin: 0px auto;
    text-align: center;
    background-color: antiquewhite;
}
div.ex1 {
    width: 500px;
    margin: auto;
    border: 1px solid #73AD21;
}
#wrapper {
    width:500px;
    border: 1px solid green;
}
#div1 {
    display: inline-block;
    width:240px;
    border: 0px solid red;
    text-align:right;
    padding: 5px;}
#div2 {
    display: inline-block;
    width:240px;
    border: 0px solid green;
    text-align:left;
    padding: 5px;
}
.button {
    background-color: #195B6A;
    border: none;
    color: white;
    padding: 16px 40px;
    text-decoration: none;
    font-size: 30px;
    margin: 2px;
    cursor: pointer;
}
.button2 {
    background-color: #77878A;
}