body {
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
}
.mainbox {
    position: relative;
    margin: 0 0;
    top: 0;
    background-color: rgb(0, 155, 65);
    padding: 25px;
    opacity: 0.9;
    transition: 0.4s;
}
.mainbox .title {
    position:sticky;
    outline: 0;
    border: 0px;
    font-size: 40px;
    text-align: center;
    padding: 20px;
}
.mainbox .options {
    font-size: 20px;
    text-align: center;
    padding: 10px;
}
.mainbox .options button {
    padding: 15px;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    font-size: 25px;
    border-radius: 10px;
    opacity: 0.8;
    transition: 0.3s;
}
button:hover {
    color: #fff;
    background-color: #000;
    opacity: 1;
}