style.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #111;
    color: #eee;
}

.main-container {
    min-height: 100vh;
    display: flex;
    flex-flow: column wrap;
    justify-content: space-between;
    align-items: center;
}

header {
    margin-top: 50px;
}

footer {
    margin-bottom: 50px;
}

.search-container {
    height: 310px;
    overflow: hidden;
}

input[type = text] {
    width: 400px;
    height: 40px;
    padding: 10px 12px;
    font-size: 16px;
    border: none;
    outline: none;
    border-radius: 10px;
}

.search-box {
    position: relative;
}

#search-icon {
    cursor: default;
    color: #aaa;
    position: absolute;
    right: 5px;
    top: 8px;
    user-select: none;
}

.search-suggestions {
    max-height: calc(100% - 40px);
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    overflow: hidden;
}

.sunl {
    width: 400px;
    height: 30px;
    padding: 5px 12px;
    font-size: 16px;
    color: #111;
    cursor: pointer;
    background-color: #eee;
    background-color: #eee;
}

.suhl {
    background-color: #ccc;
}