html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;

    background: #eee;
    font-size: 18px;
    font-size: calc(12px + 0.5vw);
    font-family: sans-serif;
    line-height: 1.5;
    color: #333;
}

h1 {
    margin: 0;
    font-size: 1.5rem;
}

code {
    white-space: nowrap;
    background: #ddd;
    border-radius: 3px;
    padding: 1px 4px;
    color: #777;
}

    code.emp {
        background: #5d3dea;
        color: #eee;
    }

li {
    margin-top: 1rem;
}

.opener-container {
    display: flex;
    flex-flow: row wrap;
    align-items: center;

    width: 100%;
    height: 100%;

    box-sizing: border-box;
    padding: 2rem;
}

    .opener {
        width: 100%;
        text-align: center;
    }

        .opener p {
            display: inline-block;
            width: 50%;
            margin: 1rem 0px;
            padding: 2rem;

            background: #5d3dea;
            color: #eee;
            font-size: 1.5rem;
            font-weight: bold;
            border-radius: 10px;
            cursor: pointer;

            transition: all 0.2s ease-out;
        }

        .opener p:hover {
            opacity: 0.7;
        }

.modal-close {
    background-image: url("close.png");
    background-repeat: no-repeat;
    background-position: center center;
}