HTML-CSS-pages

Font Family and Font Weight

font-family: Avenir Next
font-weight: 200    thin
             300    light
             400    regular
             500    medium
             600    semi-bold
             700    bold
             800    black

   48px 2.5vw 1920px
h1 36px 1.875vw 700 weight 
h2 28px 1.46vw 700 
h3 22px 1.15vw 600
   16px 0.84vw
.text-xs {
    font-size: 12px;
}
.text-sm {
    font-size: 14px;
}
.text-md {
    font-size: 18px;
}
.text-lg {
    font-size: 22px;
}
.text-xl {
    font-size: 28px;
}