.start-challenge-section .challenge-hero{padding:19rem 0}@media (max-width: 991px){.start-challenge-section .challenge-hero{padding:15rem 0}}@media (max-width: 575px){.start-challenge-section .challenge-hero{padding:13rem 0}}.start-challenge-section .challenge-hero .mini-hero-title-box{position:relative;z-index:1}.start-challenge-section .challenge-hero .mini-hero-title-box .x-icon{position:absolute;top:50%;left:50%;transform:translate(-50%,-35%);width:480px;height:480px;z-index:-1}@media (max-width: 575px){.start-challenge-section .challenge-hero .mini-hero-title-box .x-icon{width:350px;height:350px}}.start-challenge-section .challenge-inner{max-width:926px;margin:-80px auto 0}.nav-pills.theme-pills li button.active{background:transparent;color:#fff}