body {
    font-family: sans-serif;
    padding: 10px;
    background-color: #f1f1f1;
}

.gretxt {
    color: rgb(0, 190, 0)
}

.yeltxt {
    color: rgb(190, 190, 0)
}

.retxt {
    color: rgb(190, 0, 0)
}

.aretxt {
    color: rgb(95, 0, 0)
}

.header {
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    background: #62f046;
}

.header h1 {
    font-size: 50px;
}

.sidenav {
    position: -webkit-sticky;
    position: sticky;
    top: 500px;
    border-radius: 15px;
    height: 100%;
    width: 200px;
    z-index: 1;
    top: 260px;
    left: 20px;
    background-color: rgba(0, 255, 0, 0.999);
    overflow-y: hidden;
}

.sidenav a {
    color: black;
    padding: 15px;
    text-decoration: none;
    display: block;
}

.sidenav a:hover {
    background-color: #ddd;
    color: black;
}

.sidenav a.active {
    background-color: goldenrod;
    color: black;
}

.content {
    margin-left: 200px;
    padding-left: 20px;
}

.leftcolumn {
    float: left;
    width: 200px;
    padding-top: 20px;
}

.card {
    border-radius: 15px;
    background-color: #ffffff;
    padding: 20px;
    margin-top: 20px;
}

.footer{
    padding: 10px;
    text-align: left;
    background: #ddd;
    margin-top: 10 px;
}

#rcorners {
    border-radius: 25px;
    border: 2px solid #73AD21;
    padding: 20px;
    width: 200px;
    height: 150px;
}