html,
body {
    padding: 0; margin: 0;
    width: 100%; height: 100%;
}
* {
    box-sizing: border-box; margin: 0;
}
body {
    background: #fff;
    color: #666;
    font-family: Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    text-align: center;
    letter-spacing: -.015em;
    display: -webkit-box; display: -ms-flexbox; display: flex;
    -webkit-flex-direction: column; flex-direction: column;
    -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}

header {
    color: #fff;
    background: #00693f;
    padding: .7em 2vw;
    margin-bottom: 2rem;
    display: -webkit-box; display: -ms-flexbox; display: flex;
    -webkit-justify-content: center; justify-content: center;
}
header a {     
    line-height: 1;
}
article {
    width: 90%;
    max-width: 32rem;
    -webkit-align-self: center; align-self: center;
    -webkit-flex: 1 1 auto; flex: 1 1 auto;
    display: -webkit-flex; display: flex;
    -webkit-flex-direction: column; flex-direction: column;
    -webkit-justify-content: center; justify-content: center;
    -webkit-align-content: center; align-content: center;
    -webkit-align-items: center; align-items: center;
}
h1 {
    font-size: min(max(2rem, 2.5vw), 48px);
    font-weight: 600;
    margin-bottom: .25em;
}
p {
    font-size: min(max(1.2rem, 1.5vw), 22px);
}
p.wrenches {
    margin-bottom: 2rem;
}
p.wrenches img {
    width: 85%; height: auto;
    max-width: 50vw; max-height: 35vh;
    object-fit: contain;
}
a {
    color: inherit;
    text-decoration: none;
}