body{font-family:Arial,sans-serif;background-color:#f4f4f4}.navbar{background-color:rgba(46,152,82,0.8);color:white}.navbar-brand,.nav-link{color:white}.navbar-brand:hover,.nav-link:hover{color:#23a84d}.container{margin-top:20px}.calculator,.standard-calculator{background-color:#fff;padding:2%;border-radius:8px;box-shadow:0 0 10px rgba(0,0,0,0.1);width:40%;position:center;margin:50px auto}.result{margin-top:20px;font-size:1.2em}.calc-btn{width:23%;margin:1%}.active{display:block}.info h2{color:rgba(48,87,33,0.7);display:block;text-align:left;font-size:16px}.info h1{color:rgba(48,87,33,0.7);display:block;text-align:left;font-size:20px}.btn-custom-green{background-color:rgba(92,176,120,0.7) !important;color:rgba(255,255,255,0.98)}.card{margin:0 auto;float:none;cursor:pointer}.card:hover{background-color:rgba(236,243,236,0.7);box-shadow:2px 2px 10px 2px rgba(147,215,172,0.7)}