.pk-text-xl{font-size:150%}.pk-text-lg{font-size:130%}.pk-text-md{font-size:115%}.pk-text-sm{font-size:90%}.pk-bold{font-weight:700}.pk-text-bg{background:#f3f3f3;padding:4px;border-radius:6px;box-shadow:.5px 1px 1px 0px rgba(169,166,166,.8);line-height:26px}.pk-method{margin-top:20px;border-left:5px solid #d0d0d0;padding-left:20px}.pk-method__title{display:inline-block;font-weight:700;font-size:17px;background:#216ce0;padding:8px 14px;border-radius:500px;color:#fff;box-shadow:5px 5px 20px 0px rgba(155,155,155,.2)}.pk-method__title.pk-method__title--2{background:#f56028}.pk-solve-exp-steps__list-item{padding:9px 0}.pk-quest{width:100%;padding-bottom:25px}@media (min-width:576px){.pk-quest{width:80%}}.pk-quest__title{font-size:18px;font-weight:500;letter-spacing:.2px;color:#333e48;line-height:1.5}.pk-quest__subtitle{font-size:15px;font-weight:500;font-style:italic;color:#333e48}.pk-quest__title--lg{font-size:20px}.pk-quest__title--sm{font-size:16px}.pk-quest__box{font-size:20px;letter-spacing:.2px;color:#333e48}.grn{color:forestgreen}.ble{color:royalblue}.fg{color:forestgreen}.fb{color:royalblue}.fp{color:darkviolet}.pk-strike span{text-decoration:line-through;color:#dc143c}