body {
    background-color: black;
    color: #08a508;
    font-family: 'Courier New', Courier, monospace;
}

h1, h2 {
    margin-left: 10px;
    font-weight: bolder;
    color: aquamarine;
}

div.main {
    width: 96%; 
    margin-left: 2%; 
    padding: 10px;
    
}

#keer_som_box {
    display: inline-block;
    width: 40%;
    margin-left: 30%;
    height: 400px;
    margin-top: 150px;
    border: 3px solid brown;
    background-color: #1b1b1b;
}

a.main {
    display: inline-block;
    height: auto;
    width: 150px;
    margin: 5px 0px;
    padding: 10px;
    color: green;
    border: 3px solid;
    border-radius: 5px;
    text-decoration: none;
    text-align: center;

}
a.main:hover, button:hover, input.submit:hover {
    background-color: #303030;
}

a.main:active, button:active, input.submit:active {
    background-color: peru;
}


form > div {
    display: inline;
}

form > div > div {
    padding: 4px 8px;
}

div.label {
    display: inline-block;
    width: 125px;
}

button, input.submit {
    width: 125px;
    height: auto;
    padding: 5px;
    margin: 10px;
    font-size: smaller;
    letter-spacing: 1px;
    color: green;
    background-color: black;
    border: 3px solid green;
    border-radius: 5px;
}


.imp, .goed, .fout {
    font-weight: 900;
    color: rgb(0, 255, 76);
    
}
.goed, .fout {
    display: inline-block;
    min-width: 300px;

}

.fout {
    color: red;
}


div#exit {
    position: fixed;
    right: 2%;
    top: 2%;
    background-color: red;
    height: 50px;
    width: 50px;
    border-radius: 25px;
}

div#exit:hover {
    background-color: darkred;
}
div#exit:active {
    background-color: peru;
}

.keer_answer {
    margin: 0 0 30px 270px; 
    width: 100px; 
    height: 50px;
    border: 3px green solid;
    background-color: black;
    border-radius: 25px;
    text-align: center;
    color: #08a508;
    letter-spacing: 2px;
}

img, input#green_button {
    position: fixed;
    right: 10px;
    top: 10px;
    height: 50px;
    width: 50px;   
}

img.green, input#green_button {
    top: 100px;
    height: 75px;
    width: 75px;   
}