.mainbox{
    padding: 10% 0;
}
.sectionbox{
    min-height: 70vh;
    border: 1px solid #000;
    margin-bottom: 30px;
}
html,* { font-family: 'Inter'; box-sizing: border-box; }
body { background-color: #fafafa; line-height:1.6;}
.lead { font-size: 1.5rem; font-weight: 300; }