body {
    margin: 0;
    font-family: Arial, sans-serif;
    width: 100%;
}
.header, .footer {
    background-color: #FCC;
    text-align: center;
    padding: 20px;
}
.header h1 {
    margin: 0;
    font-size: 28px;
}
.row {
    width: 100%;
}
.column {
    float: left;
    width: 33.33%;
    padding: 15px;
    box-sizing: border-box;
    background-color: #e0e0e0;
    border-right: 2px solid #fff;
}
.column:last-child {
    border-right: none;
}
.column img {
    width: 100%;
    height: auto;
    margin-top: 10px;
}
.footer {
    clear: both;
    font-size: 14px;
    line-height: 1.5;
}