* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 62.5%;
    font-family: "DM Sans", sans-serif;
    background-color: #f2f0f0;
}



a {
    color: black;
    text-decoration: none;
}

a:link {
    color:red;
}

a:hover {
    color:green;
    text-decoration:none;
}

a:visited {
    color:purple;
}

a:active {
    color:lime;
}

header ul {
    display: flex;
    margin: 10px;
    font-size: 1.6rem;
    list-style: none;
}

header ul li {
    margin: 5px 10px;
    padding: 5px 0;
    font-size: 1.8rem;
}

header {
    display: flex;
    justify-content: center;
    width: 100%;
}

header > h2 {
    font-size: 4rem;
    margin: 20px auto;
}

/* animacion */

header ul li {
    text-decoration: none;
    background-image: linear-gradient(currentColor, currentColor);
    background-position: 0% 100%;
    background-repeat: no-repeat;
    background-size: 0% 2px;
    transition: background-size 0.3s;
}
header ul li:hover {
    background-size: 100% 2px;
}
/* fin animacion */


main {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    font-size: 1.7rem;
}


main .box {
    max-width: 700px;
    background-color: rgba(255, 255, 255, 0.2);
    border: 6px solid black;
    border-radius: 40px;

    position: relative;
}

main .box-content {
    margin: 130px 50px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
}
  
.box-content .title {
    min-width: 560px;
    height: 80px;
    margin: 0px 0 30px;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    border-bottom: 4px solid black;
    background-color: rgba(0, 0, 0, 0.3);
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.box-content .title-text {
    font-size: 4rem;
    color: black;
    font-family: "Rakkas", cursive;
}
  
  /* ingreso de datos */
.form-container {
    width: 100%;
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    align-items: center;
}
.group-container {
    display: flex;
    justify-content: space-between;
    width: 98%;
}

.label-input-container {
    display: flex;
    flex-direction: column;
}
  
.form-container label,
.form-container input,
.form-container select {
    margin-bottom: 10px;
}
  
.form-container input,
.form-container select {
    color: black;
    font-size: 1.8rem;
    border: 2px solid black;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.4);
    padding: 4px 8px;
}

/* FIN INGRESO DE DATOS */
  
/* INICIO BOTONES */

.btn-container {
    display: flex;
    justify-content: space-between;
    width: 100%;
}
  
.btn {
    min-width: 270px;
    max-width: 350px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 45px;
    color: black;
    font-size: 1.7rem;
    font-weight: bold;
    background-color: rgba(0, 0, 0, 0.1);
    border: 1px solid black;
    border-radius: 20px;
    cursor: pointer;
    margin: 10px 0 30px;
}
.btn-calculate:hover {
    color: #fff;
    background-color: rgba(0, 0, 0, 0.8);
    border: none;
}

.btn-reset:hover {
    color: #fff;
    background-color: rgba(255, 0, 0, 0.8);
    border: none;
}
  
/* FIN DE LOS BOTONES */

/* FIN DEL FORMULARIO */


/* INICIO ZONA DE RESPUESTAS */

.answer-container {
    width: 100%;
    height: 80px;
    border: 3px solid black;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.1);
  
    display: flex;
    justify-content: center;
    align-items: center;
}
.answer-text {
    text-align: center;
    line-height: 2.4rem;
    padding: 10px 20px;
}
.answer-text span {
    font-size: 105%;
    font-weight: bold;
}
  
/* FIN ZONA DE RESPUESTAS */

footer {
    width: 100%;
    height: 40px;
    position: relative;
}