* {
    box-sizing: border-box;
}

body {
    font-family: Roboto;
    padding: 20px;
    background: #f1f1f1;
    background-image: url(https://mykharkov.info/wp-content/uploads/2017/10/Fotolia_27447760_Subscription_Monthly_XXL-700x465-620x412.jpg);
}

.header {
    padding: 30px;
    font-size: 40px;
    text-align: center;
    background: white;
}

.row {
    display: table;
}

.leftcolumn {   
    float: left;
    width: 75%;
}

.rightcolumn {
    float: left;
    width: 25%;
    padding-left: 20px;
}

.card {
     background-color: white;
     padding: 20px;
     margin-top: 20px;
}

.card:hover {
     border: 2px solid black;
}

.img {
    background-color: #aaa;
    padding: 20px;
    background-size: cover;
    background-position: center;
   overflow: auto;

}

i {
    font-size: 30px !important; 
    padding-right: 15px;
}

a {
    text-decoration: none;
    color: black;
}

.footer {
    padding: 20px;
    text-align: center;
    background: #ddd;
    margin-top: 20px;
}
h3{color: white}
.image{
    background-color: #aaa;
    padding: 15px;
    background-size: cover;
    background-position: center;
   overflow: bottom;

}
div
{
    https://s0.rbk.ru/v6_top_pics/media/img/6/97/755668884221976.jpg
}
/*    background-image: url("header_back.jpg");
    background-size: cover;*/