*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: Georgia, 'Times New Roman', Times, serif;
}

#img1:hover{
    transform: rotate(45deg);
}
#img1, #img2, #img3{
    transition: transform 0.5s;
}

#img2:hover{
    transform: scale(2);
}

.move-right{
    transform: translateX(900px);
}

img{
    width: 600px;
    height: auto;
    margin-left: 10px;
    border-radius: 30px;
    margin-bottom: 7px;
}

h4{
    font-size: 22px;
    margin-top: 20px;
    margin-bottom: 10px;
    margin-left: 10px;
}

main p{
    margin-top: 20px;
    margin-left: 10px;
}

nav{
    background-color: #002205;
    height: 80px;
    align-content: center;
}

nav, a{
    color: white;
    opacity: 0.6;
    padding-top: 7px;
    padding-left: 10px;
    font-size: large;
}

nav, a:hover{
    color: white;
    opacity: 1;
}

body{
    background:#b0c8b3e3 ;
}

/*solution*/

article{
    position: relative;
}

article section {
    position: absolute;
    width: 500px;
    top: 2.44em;
    background-color: #750c008e;
    left: -500px;
    transition: transform 2s;
}

article section nav{
    
    width: 530px;
    height: 50px;
    text-align: right;
    background-color:#750c00;
    padding: 0.5em
}

article section p{
    color: white;
    margin-left: 5px;
}

article section code{
    color: white;
    margin-left: 5px;
}

.visible{
    transform: translateX(500px);
}