* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.title {
    text-align: center;
    font-size: 2.3rem;
    margin-top: 50px;
    font-weight: bold;
    color: rgb(0, 149, 255);
}

.settings {
    display: flex;
    justify-content: center;
    list-style: none;
    margin-top: 60px;
}

.range_text {
    font-size: 1.5rem;
    color: rgb(0, 149, 255);
}

#range {
    margin-left: 10px;
    font-size: 1.5rem;
}

#range1,
#range2 {
    font-size: 1.5rem;
    width: 100px;
    height: 35px;
    text-align: center;
}

#hide_japanese,
#hide_English {
    margin-left: 20px;
    margin-top: 7px;
    width: 30px;
    height: 30px;
    cursor: pointer;
}

#random-icon {
    font-size: 1.5rem;
    color: rgb(0, 149, 255);
    cursor: pointer;
}

.texts {
    position: relative;
    bottom: 5px;
    font-size: 1.5rem;
    color: rgb(0, 149, 255);
}

#random {
    margin-top: 5px;
    margin-left: 20px;
    border: solid 1px rgb(0, 149, 255);
    border-radius: 5px;
    width: 200px;
    height: 35px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.random-text {
    font-size: 1.5rem;
    color: rgb(0, 149, 255);
    cursor: pointer;
}

#random-icon {
    position: relative;
    top: 2px;
}

#button {
    margin-left: 20px;
}

#decision_button {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    margin-top: 5px;
    width: 100px;
    height: 35px;
    color: white;
    background-color: rgb(0, 149, 255);
    border-radius: 5px;
    border: none;
    cursor: pointer;
}

#main_table {
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.3rem;
    border-collapse:  collapse;
    margin-top: 50px;
}

#main_table td {
    border: solid 1px black;
    padding-right: 10px;
    padding-left: 10px;
}

#box_japanese,
#box_English {
    width: 20px;
    height: 20px;
    margin-right: 10px;
}