@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');
* {
    font-family: 'Montserrat', sans-serif;
}
.letterbox {
    appearance: none;
    width: 50px;
    height: 50px;
    text-align: center;
    color: #000;
    background: #d4d4d4;
    outline: none;
    border: none;
    font-size: 30px;
}
html, body {
    margin: 0;
    padding: 0;
}
.rowflex {
    display: flex;
    margin: 15px;
}
.sectionflex {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
}
.aflex {
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.button {
    appearance: none;
    outline: none;
    border: none;
    height: 50px;
    font-size: 30px;
    text-align: center;
    background: #acacac;
    margin-right: 4px;
}
.attempts {
    opacity: 50%;
    font-family: monospace !important;
    
}
.front {
z-index: 20;
position: fixed;
width: 100%;
height: 100%;
}

.back {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 10;
}
.answer-buttons {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.b {
    appearance: none;
    outline: none;
    border: none;
    height: 50px;
    font-size: 30px;
    text-align: center;
    background: #9ada99;
    margin-right: 4px; 
    width: 150px;
}

.n {

    background: #da9a99;

}
.final {
    font-size: 80px;
    font-weight: 700;
    color: rgb(181, 56, 56)
}
.buttons {
    visibility: hidden;
    opacity: 0;
    -webkit-transition: opacity 0.5s 0s ease;
-moz-transition: opacity 0.5s 0s ease;
-o-transition: opacity 0.5s 0s ease;
transition: opacity 0.5s 0s ease;
}
.footer {
    position: fixed;
    left: 10;
    bottom: 10;
}