#systemCheckOptional,
#systemCheckRequired {
    border: 1px solid #dadada;
    width: 100%;
    max-width: 900px;
}

#systemCheckOptional {
    margin-bottom: 2em;
}

#systemCheckOptional td,
#systemCheckRequired td {
    padding: 1em .5em 1em 2em;
    vertical-align: middle;
    font-size: 1.2em;
    margin: 0;
}

#systemCheckOptional tr:nth-child(even),
#systemCheckRequired tr:nth-child(even) {
    background-color: #EFEEEC;
}

#systemCheckOptional tr:nth-child(odd),
#systemCheckRequired tr:nth-child(odd) {
    background-color: #F6F5F3;
}

.error {
    color: red;
    font-size: 100%;
    font-weight: bold;
    border: 2px solid red;
    width: 550px;
    padding: 20px;
    margin-bottom: 10px;
}

.error img {
    border: 0;
    float: right;
    margin: 10px;
}