.fullscreen {
    position: absolute;
    top: 0px;
    bottom: 0px;
    left: 0px;
    right: 0px;
}

#startscreen {
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
}

#questionscreen {
    display: flex;
    flex-direction: column;
}

#questionscreen .title {
    width: 100%;
    height: 120px;
}

#questionscreen .title .stat {
    padding: 5px 10px;
    font-size: 14px;
    line-height: 24px;
}

#questionscreen .question {
    width: 100%;
    font-size: 120px;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

#questionscreen .answer {
    width: 100%;
    height: 120px;
    display: flex;
}

#questionscreen .answer .a1 {
    flex: 1;
    font-size: 40px;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
}

#questionscreen .bar {
    position: absolute;
    bottom: 0px;
    left: 0px;
    width: 33%;
    height: 10px;
    background: skyblue;
}

#questionscreen .menu {
    position: absolute;
    bottom: 200px;
    right: 20px;
}

#questionscreen .menu button {
    display: block;
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
}

#resultscreen {}

#resultscreen .title {
    width: 100%;
    text-align: center;
    font-size: 30px;
    margin-top: 60px;
    margin-bottom: 10px;
}

#resultscreen .chenghao {
    font-size: 20px;
    margin-bottom: 20px;
    width: 100%;
    text-align: center;
    color: green;
}

#resultscreen .resultbox {
    padding-left: 40px;
    padding-right: 40px;
    width: calc(100% - 80px);
    height: 300px;
}

#resultscreen .resultbox table td {
    border: 1px solid black;
    text-align: center;
    padding: 5px;
}

#selectWordPage table {
    width: 100%;
    border-collapse: collapse;
}

#selectWordPage table td{
    border: 1px solid black;
    text-align: center;
    padding: 12px;
    cursor: pointer;
}

#selectWordPage  button{
    margin-top: 30px;
    padding: 10px 30px;
}