body {
    --xwhite: #ffffff;
    --xgainsboro: Gainsboro;
    --xsilver: Silver;
    --xgray: Gray;
    --xdarkgray: #414041;
    --xblack: #000000;
    --xblue: #3a6596;
    --xmaroon: #a03228;
    --xseal: #467b84;
    font-family: Arial, Helvetica, sans-serif;
    margin: 4px;
    font-size: 12px;
    color: var(--xdarkgray);
    user-select: none;
}

@media (max-width: 1023px) and (min-width: 480px) {
    body {
        font-size: 16px;
    }
}

@media (max-width: 479px) {
    body {
        font-size: 18px;
    }
}

header {
    background-color: var(--xwhite);
}

#menu-icon {
    position: fixed;
    top: 10px;
    right: 10px;
    cursor: pointer;
}

@media (max-width: 1023px) {
    #menu-icon {
        display: block;
    }
}

@media (min-width: 1024px) {
    #menu-icon {
        display: none;
    }
}

.homebody {
    background-color: var(--xblack);
    background-image: url(img/home2.webp);
    background-repeat: no-repeat;
    background-size: cover;
    background-position-x: center;
    background-position-y: center;
}

h1 {
    font-size: 2em;
    color: var(--xwhite);
    background-color: var(--xdarkgray);
    padding: .25em;
    border-radius: 0em;
    box-shadow: .1em .1em .1em var(--xdarkgray);
}

#modalwin h1 {
    background-image: linear-gradient(to right, var(--xblue), var(--xdarkgray) 60%);
}

.loginform {
    background-color: rgba(200, 200, 200, .75);
    border: 1px solid var(--xgray);
    height: auto;
    width: 30vw;
    border-radius: .5em;
    margin: 40vh auto 35vh auto;
    padding: 5% 10% 5%;
}

@media (max-width: 799px) {
    .loginform {
        height: auto;
        width: auto;
        padding: 2%;
        margin: 35vh auto;
    }
}

input[type="button"] {
    cursor: pointer;
}

div[class="loginform"] input {
    font-size: 1.2em;
    border-radius: .3em;
    padding: .3em;
    margin-bottom: .3em;
    border: 1px solid var(--xblue);
}

div[class="loginform"] input[type="button"]:enabled {
    background-color: var(--xblue);
    color: var(--xwhite);
}

div[class="loginform"] input[type="button"]:disabled {
    background-color: var(--xgray);
    color: var(--xblack);
}



.toolbar {
    align-items: center;
    padding: .5em;
    border: 1px solid var(--xsilver);
    margin-bottom: .5em;
    background-color: var(--xgainsboro);
    box-shadow: .2em .2em .1em var(--xgray);
}

@media (min-width: 800px) {
    div[class="toolbar"] br {
        display: none;
    }
}

@media (max-width: 799px) and (min-width: 480px) {
    div[class="toolbar"] br[id="filterbr"] {
        display: none;
    }
    div[class="toolbar"] br[id="paginabr"] {
        display: block;
    }
}

@media (max-width: 479px) {
    div[class="toolbar"] br {
        display: block;
    }
}

#grdMain {
    overflow: auto;
    border-bottom: 1px solid var(--xgray);
}

#grdMain td {
    padding: 0 0.5em;
}

#grdmaingrid tr:nth-child(2n) {
    background-color: var(--xgainsboro);
}

#grdmaingrid tr:first-child {
    text-align: center;
}

div[id="modalwin"] label {
    display: inline-block;
    width: 15em;
    font-weight: bold;
    color: var(--xblack);
}

h1 img {
    vertical-align: middle;
    margin-left: 16px;
    border-radius: 50%;
    box-shadow: 0px 0px 3px 2px var(--xwhite);
}

.imgfit {
    border-radius: 0;
    clear: both;
    width: auto;
    max-width: 100%;
}

@media (min-width: 800px) {
    .imgfit {
        max-width: 100%;
        height: auto;
    }
}

@media (max-width: 799px) and (min-width: 480px) {
    .imgfit {
        max-height: 30%;
        width: auto;
    }
}

@media (max-width: 479px) {
    .imgfit {
        max-height: 15%;
        width: auto;
    }
}

@media (min-width: 800px) {
    div[id="modalwin"] label {
        text-align: right;
        margin-right: 1em;
    }
    .br799 {
        display: none;
    }
}

@media (max-width: 799px) {
    div[id="modalwin"] label {
        text-align: left;
    }
    .br799 {
        display: block;
    }
}

div[id="modalwin"] input, select {
    margin-bottom: .25em;
    border: 1px solid var(--xseal);
}

div[id="modalwin"] select:disabled {
    color: var(--xwhite);
    background-color: var(--xblue);
}

div[id="modalwin"] input:read-only {
    color: var(--xwhite);
    background-color: var(--xblue);
}

#major {
    position: absolute;
    width: 99%;
}

#modalmask {
    position: fixed;
    z-index: 1000;
    background-color: None;
    background-image: url(img/mask.png);
    display: none;
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

#modalwin {
    position: fixed;
    top: 10vh;
    left: 10vw;
    z-index: 1001;
    background-color: var(--xgainsboro);
    background-image: none;
    background-repeat: repeat;
    display: none;
    padding: .25em;
    box-shadow: 0 3px 3px rgba(0, 0, 0, 0.7);
    overflow: auto;
    height: 80vh;
    width: 80vw;
}

@media (max-width: 799px) {
    #modalwin {
        top: 0;
        left: 0;
        height: 98vh;
        width: 98vw;
    }
}

@media (min-width: 800px) {
    #helppage {
        margin-left: 5em;
        font-size: 1.5em;
        font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    }
}

@media (max-width: 799px) {
    #helppage {
        margin-left: 0em;
        font-size: 1.2em;
        font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    }
}

#helppage a:link, a:visited {
    text-decoration: none;
    color: var(--xseal);
    background-color: var(--xwhite);
    padding: .3em .5em;
    border: 1px solid var(--xseal);
}

#helppage a:hover {
    text-decoration: none;
    color: var(--xwhite);
    background-color: var(--xseal);
    padding: .3em .5em;
    border: 1px solid var(--xseal);
}

#helppage p {
    line-height: 1.5em;
}

footer {
    padding: 1em;
    border-radius: 1em 1em 0 0;
    background-color: var(--xseal);
    background-image: linear-gradient(to right, var(--xblack), var(--xseal));
    color: var(--xwhite);
}

footer a:link {
    color: var(--xwhite);
    text-decoration: none;
}

footer a:visited {
    color: var(--xwhite);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

nav {
    display: flex;
    padding: .5em;
    border-top: 1px solid var(--xseal);
    border-bottom: 1px solid var(--xseal);
    /*text-align: left;*/
    font-weight: bold;
    background-color: var(--xwhite);
}

@media (min-width: 1024px) {
    nav {
        visibility: visible;
        flex-direction: row;
        overflow-y: none;
    }
}

@media (max-width: 1023px) {
    nav {
        visibility: hidden;
        flex-direction: column;
        position: fixed;
        width: 30%;
        max-width: 320px;
        min-width: 170px;
        height: 100vw;
        right: 0px;
        overflow-y: scroll;
    }
}

nav a:link {
    color: var(--xseal);
    text-decoration: none;
    padding: .5em;
}

nav a:visited {
    color: var(--xseal);
    text-decoration: none;
    padding: .5em;
}

nav a:hover {
    color: var(--xwhite);
    background-color: var(--xseal);
}

.cotiform {
    background-color: rgba(200, 200, 200, .75);
    border: 1px solid var(--xgray);
    height: auto;
    width: 30vw;
    border-radius: .5em;
    margin: 0 auto 0 auto;
    padding: 5% 10% 5%;
}

@media (max-width: 799px) {
    .cotiform {
        height: auto;
        width: auto;
        padding: 2%;
        margin: 0 auto;
    }
}

div[class="cotiform"] input {
    font-size: 1.2em;
    border-radius: .3em;
    padding: .3em;
    margin-bottom: .3em;
    border: 1px solid var(--xblue);
}

div[class="cotiform"] select {
    font-size: 1.2em;
    border-radius: .3em;
    padding: .3em;
    margin-bottom: .3em;
    border: 1px solid var(--xblue);
}

div[class="cotiform"] input[type="button"] {
    background-color: var(--xblue);
    color: var(--xwhite);
}

.formula {
    height: auto;
    width: 70vw;
    border-radius: .5em;
    margin: 2em auto 0 auto;
    padding: 2%;
    overflow: auto;
}

@media (max-width: 799px) {
    .formula {
        height: auto;
        width: auto;
        padding: 2%;
        margin: 0 auto;
    }
}

.formula table {
    font-size: 1.2em;
    font-weight: bold;
    border-radius: .3em;
    padding: .3em;
    margin-bottom: .3em;
    border: 1px solid var(--xblue);
    width: 100%;
    color: var(--xblack);
}

.formula table td {
    padding: .5em 1em;
    font-weight: bold;
    text-align: center;
    background-color: var(--xmaroon);
    color: var(--xwhite);
}

div[class="cotiform"] h3 {
    color: var(--xwhite);
    background-color: var(--xseal);
    padding: .5em;
    border-radius: .25em;
}

/*.formula table tr td:nth-child(2n) {
    text-align: right;
}

.formula table tr td:nth-child(3n) {
    text-align: right;
}

.formula table tr:nth-child(2n) {
    background-color: var(--xgainsboro);
}

.formula table tr:first-child {
    font-weight: bold;
    text-align: center;
    background-color: var(--xmaroon);
    color: var(--xwhite);
}

.formula table tr:last-child {
    font-weight: bold;
    text-align: left;
    background-color: var(--xmaroon);
    color: var(--xwhite);
}*/