body {
    background-color: blue;
}

.box {
    background-color: white;
    float: left;
    width: 50%;
}

h1 {
    color: white;
}

p {
    color: white
}
​table {
    font-family: arial, sans-serif;
   
}

td, th {
    border: 1px solid #dddddd;
    text-align:center;
    padding: 8px;
    width:33%;
}

tr:nth-child(even) {
    background-color: #dddddd;
   
}