html {
    background-color: hsl(0, 0%, 100%);
}

body,
input,
select,
button,
label {
    font-family: sans-serif;
}

body,
label {
    font-size: 1.0em;
}

h1 {
    font-size: 2.2em;
    margin-bottom: 10px;
}

h2 {
    font-size: 1.6em;
    margin-bottom: 8px;
}

h3 {
    font-size: 1.3em;
    margin-bottom: 8px;
}

a {
    color: #3c3c3c;
}

textarea {
    resize: vertical;
}

input,
button,
select {
    font-size: 0.9em;
    border-radius: 0px;
    border: 1px solid gray;
}

button:hover,
input[type="submit"]:hover {
    cursor: pointer;
    filter: brightness(105%);
}

form {
    display: flex;
    flex-direction: column;
    border: 1px solid grey;
    padding: 9px;
}

form label {
    margin-bottom: 3px;
    font-size: 1em;
}

.bookmark_uri {
    font-size: 0.9em;
    color: rgb(66, 66, 66);
}

.bookmark_line input,
.bookmark_line button,
.category-header button {
    opacity: 0;
}

.bookmark_line:hover input,
.bookmark_line input:checked,
.bookmark_line:hover button,
.category-header:hover button {
    opacity: 1;
}

/* --------------------------------------------------------------- Margin --- */
.m-0 {
    margin: 0px;
}
.m-1 {
    margin: 0.25rem;
}
.m-2 {
    margin: 0.50rem;
}
.m-3 {
    margin: 1.00rem;
}
.m-4 {
    margin: 1.50rem;
}
.m-5 {
    margin: 3.00rem;
}
.m-6 {
    margin: 6.00rem;
}
.mt-0 {
    margin-top: 0px;
}
.mt-1 {
    margin-top: 0.25rem;
}
.mt-2 {
    margin-top: 0.50rem;
}
.mt-3 {
    margin-top: 1.00rem;
}
.mt-4 {
    margin-top: 1.50rem;
}
.mt-5 {
    margin-top: 3.00rem;
}
.mt-6 {
    margin-top: 6.00rem;
}
.mb-0 {
    margin-bottom: 0px;
}
.mb-1 {
    margin-bottom: 0.25rem;
}
.mb-2 {
    margin-bottom: 0.50rem;
}
.mb-3 {
    margin-bottom: 1.00rem;
}
.mb-4 {
    margin-bottom: 1.50rem;
}
.mb-5 {
    margin-bottom: 3.00rem;
}
.mb-6 {
    margin-bottom: 6.00rem;
}
.ms-0 {
    margin-left: 0px;
}
.ms-1 {
    margin-left: 0.25rem;
}
.ms-2 {
    margin-left: 0.50rem;
}
.ms-3 {
    margin-left: 1.00rem;
}
.ms-4 {
    margin-left: 1.50rem;
}
.ms-5 {
    margin-left: 3.00rem;
}
.ms-6 {
    margin-left: 6.00rem;
}
.me-0 {
    margin-right: 0px;
}
.me-1 {
    margin-right: 0.25rem;
}
.me-2 {
    margin-right: 0.50rem;
}
.me-4 {
    margin-right: 1.50rem;
}
.me-5 {
    margin-right: 3.00rem;
}
.me-6 {
    margin-right: 6.00rem;
}

/* -------------------------------------------------------------- Padding --- */
.p-0 {
    padding: 0px;
}
.p-1 {
    padding: 0.25rem;
}
.p-2 {
    padding: 0.50rem;
}
.p-3 {
    padding: 1.00rem;
}
.p-4 {
    padding: 1.50rem;
}
.p-5 {
    padding: 3.00rem;
}
.p-6 {
    padding: 6.00rem;
}
.pt-0 {
    padding-top: 0px;
}
.pt-1 {
    padding-top: 0.25rem;
}
.pt-2 {
    padding-top: 0.50rem;
}
.pt-3 {
    padding-top: 1.00rem;
}
.pt-4 {
    padding-top: 1.50rem;
}
.pt-5 {
    padding-top: 3.00rem;
}
.pt-6 {
    padding-top: 6.00rem;
}
.pt-0 {
    padding-top: 0px;
}
.pt-1 {
    padding-top: 0.25rem;
}
.pt-2 {
    padding-top: 0.50rem;
}
.pt-3 {
    padding-top: 1.00rem;
}
.pt-4 {
    padding-top: 1.50rem;
}
.pt-5 {
    padding-top: 3.00rem;
}
.pt-6 {
    padding-top: 6.00rem;
}
.pb-0 {
    padding-bottom: 0px;
}
.pb-1 {
    padding-bottom: 0.25rem;
}
.pb-2 {
    padding-bottom: 0.50rem;
}
.pb-3 {
    padding-bottom: 1.00rem;
}
.pb-4 {
    padding-bottom: 1.50rem;
}
.pb-5 {
    padding-bottom: 3.00rem;
}
.pb-6 {
    padding-bottom: 6.00rem;
}
.ps-0 {
    padding-left: 0px;
}
.ps-1 {
    padding-left: 0.25rem;
}
.ps-2 {
    padding-left: 0.50rem;
}
.ps-3 {
    padding-left: 1.00rem;
}
.ps-4 {
    padding-left: 1.50rem;
}
.ps-5 {
    padding-left: 3.00rem;
}
.ps-6 {
    padding-left: 6.00rem;
}
.pe-0 {
    padding-right: 0px;
}
.pe-1 {
    padding-right: 0.25rem;
}
.pe-2 {
    padding-right: 0.50rem;
}
.pe-3 {
    padding-right: 1.00rem;
}
.pe-4 {
    padding-right: 1.50rem;
}
.pe-5 {
    padding-right: 3.00rem;
}
.pe-6 {
    padding-right: 6.00rem;
}

/* ---------------------------------------------------------------- Floats ---*/
.float-end {
    float: right;
}
.float-start {
    float: left;
}

/* --------------------------------------------------------------- Borders ---*/
.border {
    border: 1px solid black;
}
.border-top {
    border-top: 1px solid black;
}
.border-bottom {
    border-bottom: 1px solid black;
}
.border-start {
    border-left: 1px solid black;
}
.border-end {
    border-right: 1px solid black;
}

/* ----------------------------------------------------------- Backgrounds ---*/
.bg-primary {
    background-color: #7bb0e6;
}
.bg-primary-gradient {
    background: -webkit-linear-gradient(left, #7bb0e6 0%, #ffffff 90%);
}
.bg-disabled-gradient {
    background: -webkit-linear-gradient(left, gray 0%, #ffffff 90%);
}

/* ----------------------------------------------------------- Font styles ---*/
.fw-normal {
    font-weight: normal;
}
.fw-bold {
    font-weight: bold;
}
.fw-bolder {
    font-weight: bolder;
}

.text-white {
    color: white;
}
.text-muted {
    color: gray;
}
.text-danger {
    color: red;
}

.fs-1 {
    font-size: calc(1.375rem + 1.5vw) !important;
}
.fs-2 {
    font-size: calc(1.325rem + 0.9vw) !important;
}
.fs-3 {
    font-size: calc(1.300rem + 0.6vw) !important;
}
.fs-4 {
    font-size: calc(1.275rem + 0.3vw) !important;
}
.fs-5 {
    font-size: 1.250rem !important;
}
.fs-6 {
    font-size: 1.000rem !important;
}
.fs-7 {
    font-size: 0.850rem !important;
}
.fs-8 {
    font-size: 0.825rem !important;
}

/* -------------------------------------------------------------- Display --- */
.d-contents {
    display: contents;
}
.d-inline-block {
    display: inline-block;
}
.d-block {
    display: block;
}
.d-flex {
    display: flex;
}
.d-none {
    display: none;
}

/* ----------------------------------------------------------------- Flex --- */
.flex-column {
    flex-direction: column;
}
.flex-row {
    flex-direction: row;
}
.flex-grow-1 {
    flex-grow: 1;
}
.flex-grow-0 {
    flex-grow: 0;
}
.flex-wrap {
    flex-wrap: wrap;
}
.flex-nowrap {
    flex-wrap: nowrap;
}

.justify-start {
    justify-content: flex-start;
}
.justify-end {
    justify-content: flex-end;
}
.justify-center {
    justify-content: center;
}
.justify-between {
    justify-content: space-between;
}
.justify-around {
    justify-content: space-around;
}
.justify-evenly {
    justify-content: space-evenly;
}

.gap-0 {
    gap: 0px;
}
.gap-1 {
    gap: 0.25rem;
}
.gap-2 {
    gap: 0.50rem;
}
.gap-3 {
    gap: 1.00rem;
}
.gap-4 {
    gap: 1.50rem;
}
.gap-5 {
    gap: 3.00rem;
}
.gap-6 {
    gap: 6.00rem;
}

.align-self-start {
    align-self: flex-start;
}
.align-self-end {
    align-self: flex-end;
}
.align-self-center {
    align-self: center;
}
.align-self-baseline {
    align-self: baseline;
}
.align-self-stretch {
    align-self: stretch;
}

.align-items-start {
    align-items: flex-start;
}
.align-items-end {
    align-items: flex-end;
}
.align-items-center {
    align-items: center;
}
.align-items-baseline {
    align-items: baseline;
}
.align-items-stretch {
    align-items: stretch;
}

.border {
    border: 1px solid #7bb0e5;
}