.Index {
    width: 100vw;
    height: 100vh;
    background-color: #f0f0f0;
    color: #333;
    font-family: 'Helvetica Neue', sans-serif;

    display: grid;
    grid-template-columns: auto 40vw auto;
    grid-template-rows: auto auto auto 3em;
    grid-template-areas:
    ". . . ."
    ". main main ."
    ". . . ."
    "footer footer footer footer";
}

.Index-footer {
    background-color: #333;
    grid-area: footer;
}

.Index-footer > div {
    padding-left: 0.7em;
    padding-top: 0.7em;
}

.Index-nodes {
    grid-area: main;
}

.Index-node {
    margin: 5px;
    padding: 15px;
    background-color: #fff;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
}

span {
    display: block;
    margin-bottom: 5px;
}

input[type="text"] {
    width: 100%;
    padding: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
    margin-bottom: 10px;
}

button {
    background-color: #4c9aff;
    color: #fff;
    border: none;
    border-radius: 5px;
    padding: 10px 20px;
    font-size: 1.2em;
}

button:hover {
    background-color: #4c7eff;
}

a:link {
    color: #333;
}

a:visited {
    color: #333;
}

a:hover {
    color: #555;
}