body {
    background: white;
    h3: center;
}

aside {
    float: left;
    background: #008B8B;
    width: 20%;
    padding: 2.5%;
    height: 100vh;
    color: #fff;
    border-right: 5px solid #4d4d4d;
}

aside img {
    width: 100px;
    margin-left: 70px;
}



aside h3 {
    margin-top: 50px;
}

aside ul {list-style: none}

aside ul li {
    color: #fff;
    display: block;
    margin-top: 0px;
    transition: transform .6s ease;
}

aside ul li:hover, aside ul a:hover {
    color: black;
    text-decoration: none;
    transform: scale(1.05);
}

main .features {
    float: left;
    color: black;
    margin-top: 100px;
    text-align: center;
    width: 75%;
}

main .features h1 {font-size: 50px;}

main .features p {max-width: 500px; margin: 10px auto}
main .features th {
    text-align: center;
    width: 12%;
    color: black;
}
main .form-label {
    text-align: center;
    width: 12%;
    color: black;
}
main .btn-warning {
    align: center;
    margin-left: 200px;
}