#canvas_wrapper {
    position: absolute;
    top: 0;
    right: 10px;
    bottom: 10px;
    left: 0;
    z-index: -1;
}

.wrapper {
    float: right;
    width: 400px;
}

.wrapper h1 {
    margin: 0;

    font-family: Arial, sans-serif;
    font-size: 2em;

    cursor: pointer;
    text-align: center;

    color: #f0f0f0;
    background: #020202;
}

.wrapper ol {
    max-width: 100%;
    margin: 0;

    background: #020202;
}

.wrapper li {
    position: relative;

    width: auto;
    max-width: 100%;
    padding-top: 3px;
    padding-bottom: 5px;
    margin: 0;
    margin-bottom: 5px;

    border-bottom: 1px solid #ccc;
}

.wrapper li span {
    margin-right: 5px;

    cursor: pointer;

    opacity: .3;
    border-radius: 2px;
    background: #f0f0f0;
}

.caret {
    display: block;
    float: right;
    width: 30px;
    height: 20px;
    margin-top: 5px;
    margin-right: 20px;

    line-height: 20px;

    text-align: center;
    vertical-align: middle;

    border-radius: 2px;
    background: rgb(200, 200, 200, .2);
}

.dropdown {
    height: 0;
    overflow: hidden;

    transition: all .4s;
}

.dropdown.active {
    height: 100%;
    overflow: visible;
}

.ctx_menu {
    position: absolute;
    z-index: 200;

    width: 80%;
    max-width: 200px;

    background: rgba(21, 27, 86, .7);
}

.ctx_menu select {
    width: 100%;
    padding: 5px 12px;
    margin-bottom: 5px;
    box-sizing: border-box;

    font-family: Arial, sans-serif;
    font-size: 16px;
    line-height: 20px;

    cursor: pointer;
    text-align: center;
    vertical-align: middle;

    color: #f0f0f0;
    border: none;
    outline: none;
    background: transparent;
}

.ctx_menu select option {
    text-align: center;

    border: none;
    border-bottom: #c0c0c0;
    outline: none;
    background: rgba(21, 27, 86, .7);
}