form {
    position: relative;
    margin: 0 auto;
    width: 40%;
}

input {
    margin: 10px 0;
}

#javaScriptCode {
    position: relative;
    border: 2px solid #6A6A6A;
    margin-left: 5%;
    padding: 20px;
    float: left;
    width: 500px;
    margin-top: 45px;
}

div[id*='calendar'] {
    position: relative;
    margin-top: 45px;
    margin-left: 15%;
    float: left;
}

div[id*='calendar'] table,
tr:first-child {
    position: relative;
    border: 2px solid #6A6A6A;
    border-collapse: collapse;
}

td {
    padding: 15px 30px;
    border: 1px solid #6A6A6A;
    text-align: center;
    background-color: #ecf2e8;
}

td:empty {
    background-color: #fdfffc;
}

th {
    padding: 10px;
}

.rows {
    cursor: pointer;
    user-select: none;
}

nav {
    position: relative;
    width: 100%;
    text-align: center;
}

nav > .navig > li  {
    position: relative;
    margin: 0.2rem 0.7143rem;
    display: inline-block;
    padding: 0.45rem;
}

nav > .navig > li:after {
    display: block;
    position: absolute;
    content: "";
    top: 38%;
    right: -0.9286rem;
    width: 0.07143rem;
    height: 1rem;
    background-color: #185dcc;
}

nav > .navig > li:last-child:after {
    display: none;
}

nav > .navig > li > a {
    position: relative;
    text-decoration: underline;
    display: inline-block;
    text-align: center;
    color: #185dcc;
    padding: 0.714rem;
    top: 50%;
    font-size: 1rem;
    cursor: pointer;
}

nav > .navig > li > a:hover {
    text-decoration: none;
}

div[id*='calendar'].fullCalendar {
    width: 90%;
    height: 70%;
    margin: 0 5%;
}

div[id*='calendar'].fullCalendar table{
    width: 100%;
}

.task {
    position: relative;
    box-sizing: border-box;
    border: 1px solid #5b6d5c;
    color: #494c49;
    font-size: 13px;
    padding: 0 20px 0 5px;
}

button.closeTask {
    position: absolute;
    width: 15px;
    height: 15px;
    right: 0;
    top: 0;
    border: none;
    background-color: #d58d7042;
    color: #d91a1a;
    padding: 0;
}

#aboutDiv {
    position: relative;
    width: 500px;
    margin: 0 auto;
}

div[id*='calendar']:before {
    position: absolute;
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    background-color: transparent;
    z-index: 999;
}

.fullCalendar[id*='calendar']:before {
    display: none;
}