/* Security: principles as aqua-headed columns, matching the home page. */
.security-proof .button.text-button{gap:0}
.security-principles{padding-top:90px;padding-bottom:40px}
.security-principles .section-heading{margin-bottom:48px}
.security-principles .choice-columns{row-gap:56px}
.security-principles .choice-columns article{max-width:460px}
.security-principles .choice-columns.two-up{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:110px}
.security-principles .choice-columns.two-up article{max-width:560px}
.security-principles .skills-source-table{margin-bottom:72px}
#personal-context{padding-bottom:110px}
@media (max-width:900px){
  .security-principles{padding-top:56px}
  .security-principles .choice-columns,.security-principles .choice-columns.two-up{grid-template-columns:1fr;row-gap:28px}
  .security-principles .skills-source-table{margin-bottom:48px}
  #personal-context{padding-bottom:70px}
}