index.css

body{
    font-size: 18px;
    color: #2b283a;
    font-family: 'Roboto', sans-serif;
    margin: 0;
}

h1, h3{
    margin: 0;
}

h1{
    color: whitesmoke;
    font-size: 2.2em;
}

h2{
    margin-top: 0;
}

h3{
    color: #d0aaff;
    font-size:1.2em;
}

p{
    line-height: 1.4;
}

/* links */

a{
    color: #ef5839;
    text-decoration: underline dotted; 
}

a:hover, a:active{
    color: #d4b44c;
}

.btn{
    padding: 1em 0.8em;
    border-radius: 0.3em;
    font-weight: 500;
    text-decoration: none;
    margin-bottom:1em;
    text-align: center;
    display: block;
}

.btn-dark{
    background: #5f29a3;
    color: whitesmoke
}

.btn-mid{
    background: #F0E0FF; 
    color: #5f29a3; 
}

.btn-light{
    background: whitesmoke;
    color: #5f29a3; 
}
 
.btn:hover, 
.btn:active{
    background-color: #f3e885;
    color: #2b238a;
}

header, section, footer{
    padding: 2.8em 0;
}

header, .section-two{
    background-color: #5f29a3;
}

.section-two{
    color: whitesmoke;
}

.container{
    width: 62%;
    margin: 0 auto;
    max-width: 60%;
}

.main-image{
    width:100%;
    display: block;
    margin: 0 auto 2em;
    max-width: 40em;
}

.section-two-image-container{
   display: flex;
   flex-wrap: wrap;
   gap:1em;
  
}

.feature-item {
    flex: 1 15em;
}

.feature-image{
    border-radius: 0.8em;
    margin-bottom: 1em;
    width: 100%;
}

footer{
    text-align: center;
    color: #5f29a3;
}

@media (min-width:600px){
    .btn {
        display: inline-block;
        margin-right: 0.5em;
    }
}