.form-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    margin-bottom: 0.3rem;
}

input {
    padding: 0.4rem;
    width: 200px;
    font-size: 1.2rem;
    background: #6D8196;
    color: white;
}

/* ruimte tussen Starttijd input en Eindtijd label */
tr.spacer {
    height: 20px;
    /* pas dit aan naar wens */
}

#result,
#total,
#history {
    margin-top: 1.5rem;
    font-size: 1.1rem;
    font-weight: bold;
}

#result span,
#total span {
    display: block;
    margin-top: 0.5rem;
}

.buttons {
    margin-top: 2rem;
}

button {
    padding: 0.6rem 1.2rem;
    font-size: 1rem;
    border: none;
    border-radius: 8px;
    background: #22292F;
    color: white;
    cursor: pointer;
    margin-right: 1rem;
    box-shadow: 5px 5px 2px rgba(0, 0, 0, 0.8);
    transition: background-color 0.4s, color 0.4s;
}

button:hover {
    background: #4d9176;
    box-shadow: 10px 10px 5px rgba(0, 0, 0, 0.8);
}

#resetBtn {
    background: #22292F;
}

#resetBtn:hover {
    background: #4d9176;
    box-shadow: 10px 10px 5px rgba(0, 0, 0, 0.8);
}

ul {
    margin-top: 0.5rem;
    padding-left: 1.2rem;
}

li {
    font-weight: normal;
    margin-bottom: 0.5rem;
}

.warning {
    margin-left: 8px;
}

.overschrijding {
    color: red;
    font-weight: bold;
}