main.css

body {
    display: flex;
    flex-direction: column;
    background-color: #353535;
}
html, body {
    height: 100vh;
    margin: 0;
}

.header {
    padding: 0.2em;
    font-family: arial,sans-serif;
    font-size: 0.8em;
}
.header .content {
    display: grid;
    grid-template-columns: 10fr 1fr 10fr;
    text-align: center;
}
.header .content a {
    color: #fff;
    opacity: 0.8;
    text-decoration: none;
}
.header .content a:hover {
    opacity: 1;
}
.container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5px;
    height: 100%;
}

.jse-theme-dark {
    --jse-theme-color: #224F98;
    --jse-panel-background: #1e1e1e;
}

.jse-menu > *:nth-child(1),
.jse-menu > *:nth-child(2),
.jse-menu > *:nth-child(3),
.jse-menu > *:nth-child(4)
{
    display: none;
}

/* Togle light/dark mode */
#switch {
    position: relative;
    display: none;
    width: 36px;
    height: 17px;
}
#switch input {
    display:none;
    /* margin-left: 50px; */
}
.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #1e1e1e;
    -webkit-transition: .2s;
    transition: .2s;
}
.slider:before {
    position: absolute;
    content: "";
    height: 13px;
    width: 13px;
    left: 2px;
    bottom: 2px;
    background-color: #3883FA;
    -webkit-transition: .2s;
    transition: .2s;
}
.slider.round {
    border-radius: 17px;
}
.slider.round:before {
    border-radius: 50%;
}
input:checked + .slider {
    background-color: #3883FA;
}
input:checked + .slider:before {
    background-color: #fff;
    -webkit-transform: translateX(19px);
    -ms-transform: translateX(19px);
    transform: translateX(19px);
}