.cable-thickness-calculator {
    margin: 1.25rem auto;
    background-color: #fff;
    padding: 1.25rem;
    border-radius: .5rem;
    box-shadow: 0 0 .625rem rgba(0, 0, 0, 0.1);
}

.cable-thickness-calculator .form {
    margin-block-start: 1.25rem;
}

.cable-thickness-calculator .form-group {
    margin-block-end: 1rem;
}

.cable-thickness-calculator label {
    display: block;
    margin-block-end: .5rem;
    color: #555;
}

.cable-thickness-calculator input {
    width: 100%;
    padding: .5rem;
    box-sizing: border-box;
    border: .063rem solid #ddd;
    border-radius: .25rem;
}

.cable-thickness-calculator button {
    background-color: #F5821F;
    color: #fff;
    padding: .625rem;
    border: none;
    border-radius: .25rem;
    cursor: pointer;
    font-weight: 700;
}

.cable-thickness-calculator button:hover {
    background-color: #E5710C;
}

.result {
    margin-block-start: 1.875rem;
}

.result h2 {
    color: #333;
}

.result .form-group {
    margin-block-end: .625rem;
}

.result span {
    display: block;
    padding: .5rem;
    border: .063rem solid #ddd;
    border-radius: .25rem;
    background-color: #f9f9f9;
}