style.css

body {
    background-image: url(/bg-stars.gif);
    font-family: sans-serif;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
}

h1 {
    color: rgb(234, 234, 234);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 3em;
    text-shadow: 2.5px 1.5px #90a1d8;
    display: flex;
    justify-content: center;
    margin-top: 15px;
}

#form {
    display: flex;
    justify-content: center;
    align-items: center;
    
}

input {
    margin: 0 10px;
}

select {
    margin: 0 10px;
}

button {
    margin: 0 10px;
}

img {
    width: 450px;
    margin: 50px;
}

#planet-display{
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    margin-top: 40px;
    background-color: rgba(255, 255, 255, 0.2);
    height: 500px;
    width: 85%;
    flex-direction: row-reverse;
    
}

#planet-weight-div {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    background-color: rgba(255, 255, 255, 0.2);
    height: 350px;
    width: 600px;
    margin: 50px;
    border-radius: 5%;

}

.weight-class {
    margin: 20px;
    padding: 50px 30px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    

}

#info-text {
    font-size: 25px;
    text-align: center;
    margin: 10px;
}

.planet-name {
    font-weight: bolder;
}

#planet-photo-div {
    display: flex;
    justify-content: center;
    align-items: center;
}


input {
    width: 500px;
    height: 30px;
    font-size: 25px;
}

select {
    width: 300px;
    font-size: 20px;
    height: 40px;
}

button {
    background-color: rgb(92, 90, 90);
    color: white;
    border: 0;
    font-size: 25px;
    height: 40px;
    width: 200px;
}

button:hover {
    background-color: rgb(219, 219, 219);
    color: black;
    cursor: pointer;
}

#main-content {
    display: flex;
    justify-content: center;
    align-items: center;
    
}