* { box-sizing: border-box; }
body {
    margin: 0;
    background: #f4f4f4;
    font-family: Arial, sans-serif;
    font-size: 12px;
}
.page {
    width: 620px;
    margin: 20px auto;
}
h1 {
    text-align: center;
    font-size: 20px;
}
.events {
    width: 100%;
    border-collapse: collapse;
    box-shadow: 0 8px 18px #bbb;
}
.events th {
    background: blue;
    color: white;
    padding: 9px;
}
.events td {
    padding: 8px;
}
.events tr:nth-child(even) {
    background: #d3d3d3;
}
.events tr:nth-child(odd) {
    background: #f4eeee;
}
.register {
    width: 280px;
    margin: 22px auto;
    padding: 22px 14px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 20px #aaa;
}
.register h2 {
    text-align: center;
    color: #345;
    font-size: 16px;
    margin: 0 0 18px;
}
.register label {
    display: block;
    font-weight: bold;
    margin: 8px 0 4px;
}
.register input,
.register select,
.register textarea {
    width: 100%;
    border: 1px solid #ddd;
    border-radius: 2px;
    padding: 7px;
}
.register button {
    width: 100%;
    margin-top: 12px;
    padding: 8px;
    border: 0;
    border-radius: 2px;
    background: #3498db;
    color: white;
    cursor: pointer;
}