body,
h1, h2, h3, h4, h5, h6,
p,
ul, ol,
li,
blockquote,
figure,
figcaption,
dl, dd, dt,
input,
textarea,
button,
hr {
    margin: 0;
    padding: 0;
}

body {
    box-sizing: border-box;
    font-family: 'Arial', sans-serif; 
}