.hero-section{height:80vh;background:url("../img/neuron_diagram_01.jpg") no-repeat center center/cover;position:relative}.hero-section::after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.5)}.hero-content{position:relative;z-index:1}.hero-content h1,.hero-content p{color:#fff}.search-form .form-control{border-radius:30px 0 0 30px}.search-form .btn{border-radius:0 30px 30px 0}#ROC .d-flex{gap:20px}#ROC .d-flex h3{font-weight:bold;color:#333}#ROC .d-flex ul{padding-left:20px}