table {
    border-spacing: 0;
    font-family: monospace;
    white-space: pre
}

td {
    padding-right: 12px;
}

.code-opcode {
    width: 200px
}

tr:nth-child(2n) {
    background-color: #eee
}

tr {
    transition: background-color 1000ms 1500ms;
}

tr.line-active {
    background-color: yellow !important;
    transition: none;
}

.arrow {
    width: 10px;
    position: relative;
    padding-right: 0;
}

.arrow::before {
    content: "";
    display: block;
    position: absolute;
    top: 0;
    bottom: 0;
    right: 2px;
    width: 2px;
    background: blue;
}

.arrow-up-start::after,
.arrow-up-end::after,
.arrow-down-start::after,
.arrow-down-end::after {
    content: "";
    background: blue;
    height: 2px;
    left: 25%;
    right: 2px;
    top: 50%;
    margin: -1px 0;
    position: absolute;
}

.arrow-down-end::before,
.arrow-up-end::before {
    bottom: 50%;
    margin-bottom: -1px;

}

.arrow-down-start::before,
.arrow-up-start::before {
    top: 50%;
    margin-top: -1px;
}

.arrow-head {
    position: absolute;
    left: 0;
    top: 50%;
    width: 0;
    height: 0;
    border: 5px solid transparent;
    border-right-color: blue;
    margin: -5px;
}

.arrow-link {
    width: 6px;
    height: 6px;
    background-color: blue;
    display: inline-block;
    border-radius: 100px;
    z-index: 1;
    position: relative;
}

.routine-end > td {
    border-bottom: 1px solid black;
}

.field-editable {
    font-family: monospace;
    border: none;
    background: none;
    padding: 0;
    width: 100%;
}

.field-comment {
    width: 500px;
}