h1 {
    text-align: center;
}

#upper {
    width: 100%;
    margin: auto;
}

#preview {
    width: 50%;
    float: left;
    padding-right: 60px;
}

th {
    text-align: left;
}

.cut > td {
    border-bottom: 1px solid black;
}

#input {
    padding-top: 2px;
}
.clearfix {
    clear: both;
}

#results {
    width: 50%
}

footer {
    text-align: center;
    margin-top: 10px;
    padding-bottom: 30px;
}