.form-horizontal, .form-horizontal * {
    box-sizing: border-box;
}
.form-horizontal .control-label {
    display: inline-block;
    float: left;
    width: 25%;
    padding-top: 7px;
    text-align: right;
    padding-right: 15px;
}
.form-control {
    display: block;
    width: 50%;
    height: 34px;
    padding: 6px 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-shadow: inset 0 1px 1px rgba(0,0,0,0.1);
    color: #555;
    font-size: 14px;
    transition: border-color ease-in-out 0.15s, box-shadow ease-in-out 0.15s;
}
.form-control:focus {
    outline: 0;
    border-color: #66afe9;
    box-shadow: inset 0 1px 1px rgba(0,0,0,0.1), 0 0 8px rgba(102,175,233,0.6);
}
.form-horizontal .checkbox {
    display: block;
    min-height: 20px;
    margin-top: 10px;
    margin-bottom: 10px;
    position: relative;
}
.checkbox label {
    display: inline-block;
    padding-left: 20px;
    margin-bottom: 0;
    cursor: pointer;
}
.checkbox input[type=checkbox], .checkbox input[type=radio] {
    position: absolute;
    background: transparent;
    box-shadow: none;
    background-image: none;
    border: 1px solid #ccc;
    margin: 4px 0 0 -20px;
}
.form-control[disabled], .form-control[readonly] {
    cursor: not-allowed;
    background: #eee;
    opacity: 1;
}
.form-group input.required-missing {
    border-color: rgba(220,0,0,0.3);
    box-shadow: inset 0 1px 1px rgba(0,0,0,0.1), 0 0 6px 3px rgba(255,0,0,0.2);
}

.form-group label.required-missing, .checkbox label.required-missing, .checkbox label.required-missing a {
    text-decoration: underline;
    color: #b00;
}

.checkbox input.required-missing {
    box-shadow: inset 0 1px 1px rgba(0,0,0,0.1), 0 0 6px 3px rgba(255,0,0,0.2);
}