body, .is-wrapper {
    font-family: system-ui, sans-serif;
    font-size: 1.2rem;
    line-height: 1.5;
    font-weight: 300;
}
h1, h2, h3, h4, h5, h6, 
.is-wrapper h1, .is-wrapper h2, .is-wrapper h3, .is-wrapper h4, .is-wrapper h5, .is-wrapper h6 {
    font-weight: 500;
    letter-spacing: 0px;
    line-height: 1.2;
}        

.is-wrapper h1 {font-size: 2.5rem;}
.is-wrapper h2 {font-size: 2rem;}
.is-wrapper h3 {font-size: 1.75rem;}
.is-wrapper h4 {font-size: 1.6rem;}
.is-wrapper h5 {font-size: 1.48rem;}
.is-wrapper h6 {font-size: 1.3rem;}

.display { margin-bottom: 0.5rem; }
.display h1 {
    font-weight: 500;
    font-size: 3rem;
    letter-spacing: 0px;
    line-height: 1.1;
    margin: 0.4rem 0 1rem;
}
.display p {
    font-size: 1.4rem;
    line-height: 1.4;
}