.form-horizontal .radio label {
    width: 100%;
}

.optionnal-parameters:hover, .optionnal-parameters:focus {
    text-decoration: none;
}

.optionnal-parameters:active, .optionnal-parameters:focus {
    outline: none;
}

.optionnal-parameters .caret, .optionnal-parameters.collapsed .caret.caret-up {
    display: none;
}

.optionnal-parameters .caret.caret-up, .optionnal-parameters.collapsed .caret {
    display: inline-block;
}

.caret.caret-up  {
    border-bottom: 4px dashed;
    border-top: 0 none;
    content: "";
}