* {
    font-family: 'Roboto', sans-serif;
    box-sizing: border-box;
}
body{
    margin: 0px;
    background: linear-gradient(90deg, #00C9FF 0%, #92FE9D 100%);
}
div.wrapper1{
    width: 75%;
    margin: 20px auto;
    border: 1px solid black;
    text-align:center
}
div.wrapper1 a {
    display: block;
    margin: 5px;
    border: 2px solid black;
    background-color: rgba(0,0,0,0.4);
    color:black;
    text-decoration: none;
    padding: 10px;
    text-align: center;
}
div.wrapper2{
    width: 75%;
    margin: 20px auto;
    border: 1px solid black;
    text-align:center
}
div.wrapper2 div.answer-container{
    display:flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
div.wrapper2 div.answer-container a{
    display: block;
    min-width: 200px;
    width: 20%;
    margin: 40px 10px;
    border: 2px solid black;
    background-color: rgba(0,0,0,0.2);
    color:black;
    text-decoration: none;
    padding: 10px;
    text-align: center;
}
div.wrapper2 div.answer-container a:hover{
    background-color: rgba(0,0,0,0.4);
}
div.wrapper3{
    width: 75%;
    margin: 20px auto;
    border: 1px solid black;
    text-align:center
}
div.wrapper3 div.answer-container{
    display:flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
div.wrapper3 div.answer-container div{
    display: block;
    min-width: 200px;
    width: 20%;
    margin: 40px 10px;
    border: 2px solid black;
    color:black;
    padding: 10px;
    text-align: center;
}
div.wrapper3 div.answer-container div.normal{
    background-color: rgba(0,0,0,0.2);
}
div.wrapper3 div.answer-container div.right{
    background-color: rgb(0,255,0);
}
div.wrapper3 div.answer-container div.wrong{
    background-color: rgb(255,0,0);
}
div.button-container {
    display:flex;
    flex-wrap: wrap;
    justify-content: center;
}
div.button-container a{
    display: block;
    min-width: 200px;
    width: 20%;
    margin: 40px 10px;
    border: 2px solid black;
    border-radius: 20px;
    background-color: rgba(0,0,0,0.2);
    color:black;
    text-decoration: none;
    padding: 10px;
    text-align: center;
}
div.button-container a:hover{
    background-color: rgba(0,0,0,0.4);
}
}