style.css

@import url('https://fonts.googleapis.com/css2?family=Ubuntu&display=swap');
body {
    font-family: 'Ubuntu', sans-serif;
    margin: 0;
}

.img {
    text-align: center;
}

.search-bar-container {
    height: 125px;
    width: 650px;
    background-color: #EEEEEE;
}

.search-bar-container a {
    padding-top: 5px;
    text-align: center;
    display: block;
}

.top-container {
    margin-right: 16px;
    font-size: 13px;
}

.container ul .top-container ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

#profile {
    border-radius: 16px;
}

.container li,
.odev-footer a,
.top-container li {
    display: inline;
    padding-right: 10px;
}

.container a,
.top-container li a {
    text-decoration: none;
    color: black;
}

.container a:hover {
    color: lightpink;
}

* {
    box-sizing: border-box;
}

.header {
    text-align: center;
    padding: 32px;
}

.row {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    padding: 0 4px;
}

.column {
    -ms-flex: 50%;
    flex: 50%;
    padding: 0 4px;
}

.column img {
    margin-top: 8px;
    vertical-align: middle;
}

.btn {
    border: none;
    outline: none;
    padding: 10px 16px;
    background-color: #f1f1f1;
    cursor: pointer;
    font-size: 18px;
}

.btn:hover {
    background-color: #ddd;
}

.btn.active {
    background-color: #666;
    color: white;
}