*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: #1f2937;
    background: #f5f7fb;
    line-height: 1.5;
}

img {
    display: block;
    max-width: 100%;
}

a {
    color: #1d4ed8;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

input,
select,
button,
textarea {
    font: inherit;
}