style.css

* {
    box-sizing: border-box;
}

@keyframes spin {
    to {
      transform: rotateZ(360deg);
    }
}

.hidden {
    display: none;
}

.intro{
    text-align: center;
}

.intro h1{
    display: inline-block;
    font-size: 2rem;
    padding: 10px;
    border-bottom: 2px solid black;
}

.intro p{
    font-size: 1.2rem;
}

.intro img{
    width: 1.5rem;
    height: auto;
    animation: spin 1.5s linear infinite;
}

.word-container{
    text-align: center;
    padding: 10px;
}

.word-row{
    margin: 10px;
    padding: 5px;
    color: white;
}

.word-row input {
    color: black;
    border: 1px solid black;
    margin: 0 5px;
    font-size: 2rem;
    text-align: center;
    width: 3rem;
    border-radius: 10px;
}

.controls {
    display: flex;
    justify-content: center;
    margin-top: 20px;
    gap: 20px;
}

.reset, 
.previous{
    border: 1px solid black;
    padding: 5px;
    border-radius: 10px;
    font-size: 2rem;
    width: 100px;
}

.reset:hover,
.previous:hover{
    cursor: pointer;
}

@media (max-width: 600px) {
    .word-row input {
        width: 2rem;
        font-size: 1.5rem;
    }
    
    .intro h1 {
        font-size: 1.5rem;
    }

    .intro p {
        font-size: 1rem;
    }

    .reset, .previous {
        width: 80px;
        font-size: 1.5rem;
    }
}


@media (max-width: 375px) {
    .word-row input {
        width: 2rem;
        font-size: 1.5rem;
        margin: 0 3px;
    }
    
    .intro h1 {
        font-size: 1.5rem;
    }

    .intro p {
        font-size: 1rem;
    }

    .reset, .previous {
        width: 80px;
        font-size: 1.5rem;
    }
}