* {
    box-sizing: border-box;
}
body {
    font-family: Arial;
    margin: 0;
}

/* Header */
header {
    padding: 60px;
    text-align: center;
    background: rgba(197, 76, 112, 0.781);
    color: whitesmoke;
}

/* top navigation bar */
.navbar {
    display: flex;
    background-color: #f18ec5;
}

/* navigation bar links */
.navbar a {
    color: rgb(0, 0, 0);
    padding: 14px 20px;
    text-decoration: none;
    text-align: center;
}

/* change color on hover */
.navbar a:hover {
    background-color: gray;
    color: rgba(210, 24, 247, 0.781);
}

/* column container */
.row {
    display: flex;
    flex-wrap: wrap;
}

/* sidebar/left colunn */
.side {
    flex: 30%;
    background-color:rgb(3, 3, 70);
    padding: 20px;
}

/* main column */
.main {
    flex: 70%;
    background-color: rgb(18, 1, 63);
    padding: 20px;
}

/* fake image, just for this example */
.fakeimg {
    background-color:whitesmoke;
    width: 100%;
    padding: 20px;
}

footer {
    padding: 20px;
    text-align: center;
    background: #031a4dbb;
}

/* responsive layout - when screen is less than 700px wide, make the two cc */
@media screen and (max width :700px) {
.row, .navbar {
    flex-direction: column;
}
}