* {
    box-sizing: border-box;
}
body {
    font-family: Roboto;
    padding: 20px;
    background: #d4d4d4;
}
.header {
    padding: 30px;
    font-size: 40px;
    text-align:  center;
    background: white;
    background-image: url(header_back.jpg);
}
.row {
    display: flex;
}
.left {
    width: 75%;
}
.right {
    width: 25%;
    padding-left: 20px;
}
.card {
    background:  white;
    padding: 20px;
    margin-top: 20px;
}
.img {
    background-color: #aaa;
    height: 200px;
    background-image: url(img1.jpg);
    background-size: cover;
    background-position: center;
}
.img2{
    background-color: #aaa;
    height: 200px;
    background-image: url(img2.jpg);
    background-size: cover;
    background-position: center;
}
.footer {
    background: black;
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 20px;
}
img {
    width: 100%;
}