body {
    background-color: #f5f5f5;
}

#main-content {
    padding: 2em 3em;
    margin: 0 auto 20px;
    background-color: #fff;
    border: 1px solid #e5e5e5;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    border-radius: 5px;
}

textarea.payload {
    width: 300px;
    height: 250px;
}

.scrollable-event-area {
    max-height: 500px;
    overflow: scroll;
}

.row {
    margin-top: 20px;
    margin-bottom: 20px;
}