body {
    background-color: chocolate;
    margin: 2%;
    padding: 0;
    text-align: center;
    display:block;
}

html {
    font-family: 'Courier New', Courier, monospace
}

h1 {
    text-align: center;
    font-size: 250%;
}

hr {
    border-color: rgb(0,0,0);
}

div {
    float:center;
    width:50%;
    background-color: rgb(221, 126, 57);
    position:absolute;
    left: 25%;  
}

#b1 {
    float: left;
    background-color: rgb(202, 86, 60);

    width: 20%;
    text-align:center;
}

#b2 {
    float: right;
    background-color: rgb(184, 197, 99);

    width: 20%;
    text-align:center;
}

linear {
    margin: 0;
    padding: 0;
    width: 100%;
    background-color:rgb(158, 87, 36);
    text-align: center;
    border-radius: 7px;
    display:block;
}

a {
    border: 3px solid black;
    border-radius: 10px;
    text-decoration: none;
    color:black;
    user-select: none;  
    -webkit-user-drag: none;
}

a:hover{
    filter:brightness(150%);
}

a:active{
    filter:invert();
}

#return {
    float:bottom;
    position:absolute;
    width:30%;
    left:35%;
    bottom:10%;
}