* {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
}

header {
    background-color: blue;
    color: white;
    font-size: 1rem;
    padding: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

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

/* Inicio */

.buttonsMain {
    display: flex;
    justify-content: space-evenly;
    padding-top: 5rem;
}

.buttonsMain button {
    border: none;
    padding: 2rem;
    border-radius: 7px;
    cursor: pointer;
    background-color: blue;
    color: white;
    font-size: 1.5rem;
}

/* Resultado */

.result {
    padding-top: 5rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Iniciar sesión y registro */

.login, .register {
    min-height: 90vh;
    display: grid;
    justify-content: center;
    align-items: center; 
}

.login .formLogin, .register .formRegister {
    display: grid;
    justify-content: center;
    align-items: center; 
}

.login .formLogin input, .register .formRegister input {
    height: 1rem;
    padding: 1rem;
    outline: none;
    margin-bottom: 1rem;
    border-radius: 7px;
    border-color: rgba(0, 0, 0, 0.2); 
}
    
.login .formLogin .buttonsLogin, .register .formRegister .buttonsRegister {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    justify-items: center; 
}

.login .formLogin .buttonsLogin button, .register .formRegister .buttonsRegister button {
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 7px;
    cursor: pointer;
    background-color: blue;
    color: white;
}

.login .formLogin  h2 a, .register .formRegister h2 a {
    text-decoration: none;
    color: blue;
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 1rem;
    font-size: 1rem;
}

/* Calculadora */

.calculator {
    padding-top: 5rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.calculator input {
    padding: 0.5rem 1rem;
    border-radius: 7px;
    border-color: rgba(0, 0, 0, 0.2);
}

.calculator #buttons {
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
}

.calculator button {
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 7px;
    cursor: pointer;
    background-color: blue;
    color: white;
}