.regex-ele {
    display: flex;
    justify-content: left;
    align-items: center;
}

.regex-ele label {
    height: 38px;
    line-height: 38px;
    user-select: none;
    color: gray;
    font-size: 18px;
    width: 16px;
    text-align: center;
    background: #ccc;
}

button {
    background: #1e90ff;
    border: 1px solid #1e90ff;
    border-radius: 3px;
    color: #ffffff;
    letter-spacing: 2px;
    font-size: 15px;
}

button:hover {
    background: blue;
    border: 1px solid blue;
}

.regex-ele input {
    height: 36px;
    line-height: 38px;
    padding: 0 10px;
    color: orange;
    border-radius: none;
    border: 1px solid #ccc;
    font-size: 15px;
}

.regex-ele input:focus, .regex-ele select:focus {
    outline: none
}

button {
    cursor: pointer
}

/**
 .output-string-box p:after{content:'复制';cursor:pointer;margin-left:20px;user-select:none;color:cornflowerblue}

 */