#errorsBox {
    display: block;
    margin: 0 auto;
    margin-bottom: 20px;
    width: 460px;
}

#errorsBtn {
    background-color: #eee;
    color: #74637f;
    cursor: pointer;
    padding: 16px 16px 16px 10px;
    width: 100%;
    border: none;
    text-align: left;
    outline: none;
    font-size: 18px;
}

.active,
#errorsBtn:hover {
    background-color: rgb(224, 224, 224);
}

.errors {
    display: none;
    overflow: hidden;
    background-color: #f1f1f1;
}

#errorsContent {
    font-size: 14px;
    margin-left: 10px;
}

.errorsBtn:after {
    content: '\002B';
    color: rgb(39, 38, 38);
    font-weight: bold;
    float: right;
    margin-left: 5px;
}

.active:after {
    content: "\2212";
}

#regex.invalid {
    background-color: rgb(255, 179, 179);
}