:root{--primary-color: #0f75af}body{display:flex;flex-direction:column;min-height:100vh}main{flex-grow:1}.navbar{border-bottom:5px solid var(--primary-color)}.navbar .navbar-brand img{height:30px}a{color:inherit}.card a{text-decoration:none}.card a h2{color:var(--primary-color)}