* {
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    margin: 0;
    background: #f2f2f2;
}

.header {
    background-color: #08503F;
    padding: 15px;
}

.header span {
    color: #fff;
    font-family: "Arial Black";
    font-size: 20px;
}

.contenedor-principal {
    display: flex;
    padding: 30px;
    align-items: flex-start;
}

.card {
    background: #fff;
    border: 1px solid #b7b7b7;
    padding: 30px;
    align-items: flex-start;
    border-radius: 10px;
}

.ingreso {
    width: 390px;
    height: 390px;
}

.titulo {
    font-family: "Arial Black";
    font-size: 20px;
    margin-bottom: 20px;
}

.label {
    font-size: 15px;
}

.ingreso input {
    width: 347px;
    height: 30px;
    border: 1px solid #000;
    margin-top: 8px;
    margin-bottom: 20px;
    padding: 5px;
}

.btn-calcular,
.btn-limpiar {
    width: 347px;
    height: 36px;
    font-family: "Arial Black";
    font-size: 15px;
    cursor: pointer;
    border: none;
    margin-bottom: 10px;
}

.btn-calcular {
    background: #0B9C37;
    color: #000;
    border-radius: 5px;
}

.btn-limpiar {
    background: #B2B2B2;
    color: #000;
    border-radius: 5px;

}

.separador-vertical {
    width: 0;
    height: 406px;
    border-left: 2px solid #000;
    margin: 0 25px;
}

.resultados {
    width: 439px;
    height: 309px;
}

.fila {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
}

.fila span {
    font-size: 16px;
}

.fila strong {
    font-family: "Arial Black";
    font-size: 16px;
}

.separador-horizontal {
    width: 334px;
    border: 2px solid #595858;
    margin: 20px auto;
}

.liquido {
    text-align: center;
    font-size: 16px;
    color: #296504;
}