style.css

/*
 * Style sheet of the the CAN overhead calculator.
 * Published under the terms of the BSD 3-Clause license.
 * See LICENSE.md for details.
 */
body {
    margin: 0.5rem;
    padding: 1.0rem;
    font-family: Source Code Pro, Menlo, Consolas, Lucida Console, monospace;
    font-size: 1.2rem;
    background-color: #f8f8f8; /* Slightly less bright white-gray */
}

a {
    color: #1EAEDB;
    text-decoration: none;
}

a:hover {
    color: #0F90BE;
}

#main_title {
    text-align: center;
    font-size: 2.5rem;
}

#noscript_warning {
    margin: 2rem;
    padding: 1rem;
    font-size: 1.5rem;
}

#noscript_warning h3 {
    color: darkred;
    font-style: italic;
}

.input_form {
    background-color: #c6c6c67a;
}

.input-error {
    color: red;
    font-size: 1rem;
}

.input_text {
    width: 100%;
    padding: 0.5rem;
    margin: 1em;
    box-sizing: border-box;
    font-family: inherit;
}

#input_can_identifier {
    width: 20em; /* Enough for 31 chars: 0b111... with 29 bits. */
}

#input_can_dlc_block {
    /* Initially hidden. */
    display: none;
}

.small_label {
    font-size: 1rem;
}

.dropdown_select {
    /*width: 6rem;*/
    height: 2.5em;
    font-size: 1rem;
    font-family: inherit;
    color: #1EAEDB;
    border: 2px solid #ccc;
    border-radius: 5px;
}

#input_can_payload {
    width: 85em; /* Enough for 128 hex chars, covering 64 bytes. */
}

.help_popup {
    font-weight: bold;
}

.buttons {
    margin: 1rem;
    display: flex;
    justify-content: center;
}

.button {
    background-color: #1EAEDB;
    border: 1rem;
    color: white;
    padding: 1em 2em;
    text-align: center;
    font-size: 1rem;
    cursor: pointer;
    border-radius: 1em;
    transition-duration: 0.3s;
    font-family: inherit;
}

.button:hover {
    background-color: #105169;
}

.stuff_bit {
    text-decoration: underline;
    color: #b22ed0;
}

.output_section_title {
    /* Initially hidden. */
    display: none;
}

/* Output list with CAN frame as a bit sequence */
#output_list {
    font-size: 1.2rem;
    width: 90%;
    margin-left: 1rem;
    /* Initially hidden. */
    display: none;
}

#output_list li {
    margin-bottom: 1.5rem;
}

.output_can_text {
    margin-top: 0.5rem;
    background-color: #eee;
    white-space: break-spaces; /* Prevent HTML merging whitespace paddings. */
}

/* Output table with CAN frame fields */
.output_table {
    font-size: 1.2rem;
    /* Center in middle of page. */
    margin-left: auto;
    margin-right: auto;
    width: 90%;
    /* Avoid double border between cells. */
    border-collapse: collapse;
    /* Initially hidden. */
    display: none;
}

.output_table td, .output_table th {
    /* Line around the cells. */
    border: 0.2em solid #ddd;
    /* Space between cell border and content inside, making the table
     * breath a bit more. */
    padding: 0.5em;
}

.output_table th {
    /* Table header row. */
    text-align: center;
    font-weight: bold;
}

.output_table tr {
    text-align: right;
}

.output_table tr:nth-child(even) {
    /* Alternating colors of the rows for easier reading. */
    background-color: #eee;
}

.output_table tr:hover {
    /* Mouseover color change. */
    background-color: #ddd;
}

.cell_text {
    text-align: left;
}

footer {
    font-size: x-small;
    text-align: center;
    padding: 1.5rem;
    margin: auto;
    width: 60%;
}