.valsum {
    background-color: #FFFF99;
    color: red;
    border: 3px solid red;
    border-radius: 7px;
    font-weight: bold;
}

body {
    background-color: #babfff;
}

.control-label {
    font-weight: bold;
}

.form-control {
    border: 2px solid black;
}

hr {
    border: 3px solid black;
}

.input-group-addon {
    border: 2px solid black;
}