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

a:link {
    transition: opacity 0.5s;
    padding-left: 2px;
}

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-color: #b0c8b3e3;
}

h4{
    font-size: 30px;
    padding-left: 15px;
    margin-top: 10px;
    
}

p{
    font-size: 18px;
    padding-left: 15px;
    margin-top: 5px;
    color: black;
}


img{
    opacity: 0.25;
    transition: opacity 500ms;
    border-radius: 1100px;
    width: 400px;
    height: auto;
    margin-left: 20px;
    margin-top: 15px;
}

.img2{
    width: 400px;
    height: 400px;
}

img:hover{
    opacity: 1;
}

/*challenge excersie*/

figure{
    position: relative;
}

figure img{
    position: absolute;
    top: 0px;
    left: 0px;
    margin-top: 70px;
}

figure .img1{
    opacity: 1;
}

figure .img2{
    opacity: 0;
}

figure:hover .img2{
    opacity: 1;
}