.regex label {
    cursor: pointer;
}

.regex-input {
    letter-spacing: 0.1em;
    min-width: 50%;
    box-sizing: border-box;
}
.columns .regex-input {
    min-width: 100%;
}
.regex-result {
    line-height: 1.4;
}

.regex-syntaxerror {
    color: red;
}

.regex-match {
    background: rgba(32, 32, 208, 0.15);
    box-shadow: 0 0 0 2px #22d;
}

i.regex-icon {
    display: inline-block;
    width: 1.44em;
    text-align: center;
}

i.regex-capture {
    margin-left: 1em;
}
i.regex-capture:before {
    content: '\f064';
    color: #22d;
}


table.regex-crossword td, table.regex-crossword th {
    border-width: 1px;
    border-style: solid;
    text-align: center !important;
}