* {
    box-sizing: border-box;
}

body {
    font-size: 16px;
    line-height: 1.2;
    background-color: #f5f5f5;
    color: rgba(0, 0, 0, 0.75);
    height: 100%;
}

body::-webkit-scrollbar {
    display: none;
}

header {
    color: #fff;
    padding: 1%;
    text-align: center;
}