body {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    display: flex;
    text-align: center;
    justify-content: center;
    align-items: center; 
    min-height: 100vh;
    margin: 0;
    background: #f0f2f5;
    background-image: radial-gradient(circle at 1px 1px, #e0e0e0 1px, transparent 0);
    background-size: 10px 10px;
}

#countersContainer {
    display: flex;
    max-width: 350px;
    flex-direction: column;
    width: 100%;
    gap: 20px;
    margin-top: 50px;
}

.counter-wrapper {
    background-color: white;
    display: flex;
    flex-direction: column;
    padding: 1rem;
    text-align: center;
    align-items: center;
    border-radius: 15px;
    border: none;
    box-shadow: 0 4px 8px rgb(64, 64, 64);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.counter-wrapper:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 8px 16px rgba(0, 0, 0, 0.12),
        0 4px 8px rgba(0, 0, 0, 0.08);
}

.topBar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    margin-bottom: 10px;
}

.myHeader {
    width: 8rem;
    font-size: 1.5rem;
    text-align: center;
    border: none;
    background: transparent;
    box-sizing: border-box;
    margin: 0 10px;
    border-bottom: 2px solid #e2e8f0;
    transition: border-color 0.3s ease;
}

.myHeader:focus {
    outline: none;
    border-color: #4299e1;
}

.myHeader::placeholder {
    color: black;
}

.topButtons {
    font-size: 1.5em;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    transition: background-color 0.25s;
    background-color: hsla(209, 100%, 53%, 0.8);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.topButtons:hover {
    background-color: hsla(209, 100%, 53%, 0.986);
    transform: scale(1.05);
}

.counter {
    font-size: 6em;
    margin: 10px 0;
}

.controlButtons {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.buttons {
    padding: 5px 20px;
    background-color: hsla(209, 100%, 53%, 0.8);
    color: rgba(255, 255, 255, 0.897);
    border: none;
    border-radius: 10px;
    font-size: 2em;
    cursor: pointer;
    transition: background-color 0.25s;
}

.buttons:hover {
    background-color: hsla(209, 96%, 22%, 0.986);    
}

.start {
    margin: 15px auto;
    text-align: center;
    font-size: 1.75em;
    width: 260px;
}

.confirmStart {
    display: none;
    margin: 10px auto;
    width: 260px;
    height: 45px;
    box-sizing: border-box;
}

.startInput {
    font-size: 1em;
    text-align: center;
    width: 65%;
    height: 100%;
    border-radius: 10px;
    border: 1px solid black;
    box-sizing: border-box;
}

.confirm {
    font-size: 1.5em;
    width: auto;
    height: 100%;
    box-sizing: border-box;
}