@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;700&display=swap');


:root{
    --primary-color: rgba(209, 129, 129, 0.746);
    --primary-color-darker: rgba(235, 71, 71, 0.815);
    --primary-color-lighter: rgba(204, 198, 209, 0.746);
}

*{
    box-sizing: border-box;
    outline: 0;
}

body{
    margin: 0;
    padding: 0;
    background: var(--primary-color);
    font-family: 'Open Sans', sans-serif;
    font-size: 1.3em;
    line-height: 1.5em;
}

.container{
    max-width:300px;
    height: 400px;
    margin: 50px auto;
    background-color: rgb(82, 81, 81);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 1px 6px 5px 0px rgba(0,0,0,0.77);
}

.calculadora{
    width: 100%;
    height: 100%;
    margin: 0 auto;
}

.display{
    border: 1.5px solid black;
    font-size: 2em;
    width: 100%;
    text-align: right;
    box-shadow: 1px 3px 3px 0px rgba(0,0,0,0.77);
}

.btn{
    width: 100%;
    height: 50px;
    font-size: 1em;
    border: none;
    background-color: var(--primary-color-lighter);
    cursor: pointer;
    box-shadow: 1px 6px 5px 0px rgba(0,0,0,0.77);
    border-radius: 2px;
}

.btn:hover{
    background-color: var(--primary-color);
}

.btn-eq{
    background-color: var(--primary-color);
}

.btn-eq:hover{
    background-color: var(--primary-color-darker);
}


footer{
    text-align: center;
    font-size: 15px;
}

footer a{
    text-decoration: none;
    color: inherit;
}


@media (max-width: 800px) {
    
.container{
    margin: 20% auto;
}

}