body.lesson-page{background:#fff}body.lesson-page #bd{background:#fff;width:calc(100% - 40px)}.return-to-skill-practice-cover{display:none;height:100%;margin:0;position:absolute;visibility:hidden;width:calc(100% - 40px);z-index:1}.return-to-skill-practice{align-items:center;background:#fff;border:1px solid #00aeef;border-radius:90px;box-sizing:border-box;color:#00aeef;display:flex;left:100%;margin-bottom:2px;margin-top:10px;padding-left:8px;text-decoration:none;width:203px}.return-to-skill-practice.mobile{display:none;margin-left:auto;margin-top:0;position:sticky;top:10px;visibility:visible;z-index:1}.return-to-skill-practice:hover{color:#00aeef;text-decoration:underline}.return-to-skill-practice .return-to-skill-practice-icon{background:url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSIgdmlld0JveD0iMCAwIDMyIDMyIj48cGF0aCBmaWxsPSIjNzFjOWY1IiBkPSJNMTYuMSAyNy42MiAzLjU3IDEzLjU0aDI1eiIvPjxwYXRoIGZpbGw9IiNhYmU5ZmYiIGQ9Im0zLjY2IDEzLjU0IDQuNTgtNy44NiAzLjkzIDcuODZ6TTI4LjM0IDEyLjk5bC00LjY2LTcuMy0zLjUyIDcuNjF6TTE5LjU0IDEzLjRsLTMuNTktNy41OC0zLjI5IDcuNTh6Ii8+PHBhdGggZmlsbD0iIzcxYzlmNSIgZD0ibTguODkgNS42OCAzLjQ0IDcuNjIgMy42NC03LjR6TTE2LjEgNS42OGwzLjQ0IDcuNjIgMy42NC03LjR6Ii8+PHBhdGggZmlsbD0iIzAwOTBlMyIgZD0iTTI5LjEgMTMuMDYgMjQuMDQgNS4yYS41LjUgMCAwIDAtLjE1LS4xNS40LjQgMCAwIDAtLjE4IDBIOC40OWEuNDUuNDUgMCAwIDAtLjE5IDAgLjUuNSAwIDAgMC0uMTQuMTVMMy4xIDEzLjA2YS42Ny42NyAwIDAgMC0uMS41LjI3LjI3IDAgMCAwIC4wOS4xMkwxNS44IDI4LjQzbC4xLjA3cS4wNy4wMTUuMTQgMCAuMDc1LjAxNS4xNSAwbC4wOS0uMDdMMjkuMSAxMy42OWEuNC40IDAgMCAwIC4wOC0uMTIuNDYuNDYgMCAwIDAgMC0uMjYuNS41IDAgMCAwLS4wOC0uMjVtLTEzLTYuNTkgMy4wOCA2LjM5aC02LjE2em0tMy44IDUuOUw5LjIyIDUuOThoNi4xNnptNC41Mi02LjM5aDYuMTZsLTMuMDggNi4zOXptMi41MiA3Ljg2TDE2LjEgMjYuMzhsLTMuMjQtMTIuNTR6bS00LjEzIDEyLjUyTDQuNDQgMTMuODRoNy41NHptNS0xMi41Mmg3LjU1TDE2Ljk5IDI2LjM2em0uNDMtMSAzLjEzLTYuNDcgNC4xNiA2LjQ3ek04LjQ0IDYuMzlsMy4xMyA2LjQ3aC03LjN6Ii8+PC9zdmc+") no-repeat 50%;content:"";display:inline-block;height:35px;margin:2px;width:35px}.return-to-skill-practice .return-to-skill-practice-link,.return-to-skill-practice .return-to-skill-practice-link-short{cursor:pointer;font-size:13px;line-height:16px}.return-to-skill-practice .return-to-skill-practice-arrow{background:url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI5IiBoZWlnaHQ9IjE1IiBmaWxsPSJub25lIiB2aWV3Qm94PSIwIDAgOSAxNSI+PHBhdGggc3Ryb2tlPSIjMDBhZWVmIiBzdHJva2UtbGluZWNhcD0icm91bmQiIHN0cm9rZS1saW5lam9pbj0icm91bmQiIHN0cm9rZS13aWR0aD0iMiIgZD0ibTEgMTQgNi41LTYuNUwxIDEiLz48L3N2Zz4=") no-repeat 50%;content:"";display:inline-block;height:35px;margin:2px;width:25px}.return-to-skill-practice-link{display:inline-flex}.return-to-skill-practice-link-short{display:none}.lesson-content-container{display:flex}.lesson-content-container .sticky-section{align-items:center;align-self:flex-start;display:flex;flex-direction:column;position:sticky;top:10px}@media (min-width:1240px){.signed-out .lesson-content-container .sticky-section{top:70px}}.lesson-header{align-items:end;border-bottom:1px solid #b2b2b2;display:flex;justify-content:space-between;margin-top:20px;padding-bottom:5px}.lesson-header.with-return-btn .lesson-header-text{overflow-wrap:break-word;width:70%}.lesson-header .lesson-header-text{color:#0b9be3;font:normal 38px Roboto Slab,sans-serif;width:75%}.lesson-header .lesson-header-content{display:inline-flex;flex-direction:column}.lesson-area{flex-grow:1;margin:15px 0 10px;min-width:300px}.lesson-area a:hover{color:#0090e3}.yui3-problem-content{border:2px solid #000;margin:20px 0;padding:15px;width:807px}@media screen and (max-width:800px){.lesson-content-container{flex-direction:column}.lesson-area{width:auto}.screenshot-container{visibility:hidden}.return-to-skill-practice-cover{display:block}.return-to-skill-practice{display:none;width:157px}.return-to-skill-practice.mobile{display:flex}.return-to-skill-practice .return-to-skill-practice-link{display:none}.return-to-skill-practice .return-to-skill-practice-link-short{display:inline-flex}}@media screen and (max-width:480px){body.lesson-page #bd{width:calc(100% - 20px)}.return-to-skill-practice-cover{display:block;width:calc(100% - 20px)}.return-to-skill-practice{display:none;width:203px}.return-to-skill-practice.mobile{display:flex}.return-to-skill-practice .return-to-skill-practice-link{display:inline-flex}.return-to-skill-practice .return-to-skill-practice-link-short{display:none}.lesson-header{border-bottom:none;display:block;font-size:30px;margin-top:0}.lesson-header.with-return-btn{margin-top:40px}.lesson-header .lesson-header-content{flex-direction:row;width:100%}}/* YUI CSS Detection Stamp */
#yui3-css-stamp.ixl_instruction_css_lesson-min { display: none; }
.inline-skill-wrapper{margin-bottom:30px;margin-top:30px}.inline-skill{background:hsla(0,0%,100%,.65);border-radius:5px;box-shadow:0 1px 2px 2px rgba(0,0,0,.2);display:inline-block;margin-top:15px;max-width:480px;min-width:300px;overflow:hidden;position:relative}.header-text{color:#00aeef;font-size:20px}.image-container{display:block;position:relative;text-decoration:none}.image-container:before{background:#000;border-top-left-radius:5px;border-top-right-radius:5px;content:" ";display:block;height:100%;opacity:0;position:absolute;transition:opacity .25s ease;width:100%}.image-container .crisp-button:after{display:inline-block;font-size:10px;padding-left:3px}.image-container:hover .crisp-button{opacity:1}.image-container img{height:auto;margin:20px;max-width:calc(100% - 2 * 20px)}.image-container:hover img{cursor:pointer;opacity:.5}.inline-skill-title{background-color:#f2f8fa;border-top:1px solid #dce7eb;box-sizing:border-box;color:#00578a;display:inline-block;padding:10px;text-decoration:none;width:100%}.inline-skill-title:hover{color:#0090e3;text-decoration:underline}.inline-skill .crisp-button{background-color:#2b9ed8;border-radius:5px 0 0 5px;bottom:15px;font-size:14px;height:35px;line-height:24px;opacity:0;position:absolute;right:0;transition:opacity .25s ease}.inline-skill .crisp-button:hover{background-color:#2b9ed8;background-image:none;box-shadow:none;filter:none}.inline-skill .crisp-button:after{content:">>";display:inline-block;font-size:10px;padding-left:3px}@media (max-width:480px){.inline-skill{width:100%}.image-container img{margin:15px;max-width:calc(100% - 2 * 15px)}}/* YUI CSS Detection Stamp */
#yui3-css-stamp.ixl_instruction_lessons_InlineSkill-min { display: none; }