style.css

.event {
    border: 1px solid #2196F3;
    border-radius: 5px;
    margin: 5px;
    color: #454545;
}

.row {
    width: 100%;
}
h3::after{
    content: " : ";
}

h3 {
    margin: 6px;
}

.row > * {
    display: inline-block;
}

li.row.name {
    color: #E91E63;
}

.event .header {
    border-bottom: 1px solid #2196F3;
}

.event .header .count {
    border-right: 1px solid #2196F3;
    padding: 10px 20px;
    text-align: center;
    background: #2196F3;
    color: white;
}

.count, .name {
    display: inline-block;
    height: 100%;
    padding-left: 15px;
    color: #2196F3;
    font-weight: bold;
}

.loading {
    text-align: center;
    height: 50px;
    line-height: 50px;
}

header {
    width: 300px;
    margin: 8px;
    font-size: 20px;
}

button#refreshBtn {
    position: absolute;
    top: 5px;
    right: 5px;
    background-color: #3F51B5;
    border: none;
    padding: 7px;
    color: #f7f7f7;
    border-radius: 5px;
}

button#refreshBtn:hover {
    background-color: #5667c3;
    cursor: pointer;
}