html {
    box-sizing: border-box;
}
*, *:before, *:after {
    box-sizing: inherit;
}

body{
    margin: 0;
    padding: 10px;
    background-color: #97CB58;
    font-family: arial, helvetica,sans-serif;
}

#container{
    border-radius: 20px;
    background-color: white;
    width: 90%;
    max-width: 800px;
    margin: auto;
    padding: 10px;
}

.clear{
    clear: both;
}

h2{
    font-weight: bold;
    color: #FFD611;
    text-align: center;
    font-size: 30px;
}

h3{
    font-weight: normal;
    color: #F44E00;
    text-align: center;
    font-size: 20px;
    margin-bottom: 30px;
}

#intro{
    color: grey;
    font-size: 14px;
    line-height: 140%;
    text-align: center;
    width: 80%;
    margin: auto;
}

.hidden{
    display: none;
}

.button{
    width: 60%;
    padding: 10px;
    border-radius: 10px;
    background-color: #97CB58;
    text-align: center;
    font-weight: bold;
    font-size: 24px;
    margin: 15px auto;
    color: white;
}

.button.yellow{
    background-color: #FFD611;
}

.button:hover{
    background-color: #F44E00;
    color: white;
    cursor: pointer;
}

#start{
    padding-top: 10px;
}

#start .kiwicontainer{
    margin-bottom: 40px;
}

#question{
    text-align: center;
    font-size: 26px;
    line-height: 125%;
    margin: 30px 0 50px 0;
}

#itsa{
    text-align: center;
    color: #F44E00;
}

#answer{
    height: 250px;
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center center;
    margin: 40px 0;
}

#questionmark{
    width:120px;
    height: 120px;
    border: 6px solid #FFD611;
    color: #FFD611;
    border-radius: 50%;
    margin: auto;
    text-align: center;
    font-size: 90px;
    font-weight: bold;
    padding-top: 5px;
    margin-top: 20px;
}

#qimage{
    height: 250px;
    width: 250px;
    background-repeat: no-repeat;
    background-size: cover;
    border: 4px solid #FFD611;
    box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
    border-radius: 20px;
    background-position: center center;
    margin: 40px auto;
}


#letters{
    width: 620px;
    margin: auto;
    margin-top: 20px;
    text-align: center;
}

#letters div{
    display: inline-block;
    text-align: center;
    border: 1px solid silver;
    box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
    background-color: white;
    margin: 2px;
    width: 40px;
    height: 40px;
    border-radius: 5px;
    font-size: 20px;
    padding-top: 5px;
}



.textlink{
    text-align: center;
    text-decoration: underline;
    color: grey;
    font-size: 13px;
}

.textlink:hover{
    color: #F44E00;
    cursor: pointer;
}