main.css

html,body{
    background: #806040;
    text-align: center;
    padding: 0;
    margin: 0;
    height: 100%;
    z-index: 0
}

/* A container wrapping the hole page */
#content{
    display: table;
    width: 512px;
    height: 100%;
    margin: auto;
    background-color: #ffe0c0
}

/* A simple table for help pages */
table {
    width: 448px;
    margin: 0;
    padding: 0;
    border: 0;
}

table tr:nth-child(odd) {
    background: #ffd0b0;
}

/* The upper section wrapping the logo and inputs */
#header{
    display: table-row;
    height: 192px;
    background: #ffc080 url(upper-right.png) no-repeat bottom right;
}

/* The big polca banner */
#logo{
    margin-top: 24px;
    border: 0
}

/* The container wrapping the input form */
#input_bar {
    background: url(input-back.png);
    width: 452px;
    height: 32px;
    text-align: center;
    margin: auto;
    margin-top: 16px
}

/* The container wrapping the input field and the ok button
   (inside the input form) */
#input {
    display: table;
    margin: auto;
    padding: 0;
    font-size: 16px
}

/* The input field */
#input_box{
    position: relative;
    left: 2px;
    top: 0px;
    border: solid #806040;
    height: 24px;
    width: 318px;
    margin: 0;
    margin-left: 4px;
    margin-right: -1px
}

/* The red button next to the input field */
#ok_btn{
    position: relative;
    left: -1px;
    top: 0px;
    height: 32px;
    width: 64px;
    background: #ff0000;
    border: solid #806040;
    margin: 0;
    cursor: pointer
}

#add

/* The output div */
#result{
    display: table-row;
    background: url(middle-left.png) no-repeat top left,      /* upper left corner */
                url(middle-right.png) no-repeat bottom right; /* bottom right corner */
    text-align: left
}

#result * :first-child{
    margin-top: 32px
}

#result *{
    margin-left: 32px
}

#result * *{
    margin-left: 0px
}

/* The container of the checkboxes on the bottom */
#options{
    display: table-row;
    height: 32px;
    padding: 8px;
    background: #ffc080 url(lower-left.png) no-repeat top left
}