*{
    box-sizing: border-box;
    text-decoration: none;
    margin: 0;
    padding: 0;
}

:root{
    --color-rosaclaro: #f1dadd;
    --color-rosa: #b38080;
    --color-rosa2: rgba(249, 238, 243, 0.918);
    --color-rosa3: #7c6b6b;
}

body{
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 90vh;
    font-family: 'Nunito', sans-serif;
    background-color: var(--color-rosaclaro);
}

.calculadora{
    width: 18em;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1em;
    padding: 2em;
    border-radius: 1.5em;
    filter: drop-shadow(3px 3px 4px #bdbdbd);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.19);
    color: var(--color-rosa3);
}

.calculadora h1{
    font-size: 1.7em;
    border-bottom: 2em;
}

.numeros{
    width: 100%;
    display: flex;
    justify-content:space-between;
}

input.numero{
    width: 5.5em;
    height: 2em;
    background-color:rgba(255, 255, 255, 0.685);
    border: none;
    border-radius: .5em;
    text-align: center;
    color: var(--color-rosa);
    font-size: 1.2em;
}

.btn{
    width: 100%;
    display: flex;
    justify-content: space-between;
}

input.botoes{ 
    width: 3.1em;
    height: 2em;
    background-color:rgba(255, 255, 255, 0.685);
    border: none;
    border-radius: .5em;
    text-align: center;
    color: rgba(129, 129, 129, 0.685);
    font-size: 1em;
    font-weight: bold;
}

input.botoes:hover{
    color: var(--color-rosa);
}

input.btnLimpar{
    width: 14em;
    height: 2em;
    background-color:rgba(255, 255, 255, 0.685);
    border: none;
    border-radius: .5em;
    text-align: center;
    color: var(--color-rosa);
    font-size: 1em;
    font-weight: bold;
}

input.btnLimpar:hover{
    color: var(--color-rosa3);
}

.total{
    display:flex;
    justify-content:center;
    align-items: center;
    width: 14em;
    height: 3em;
    background-color:rgba(255, 255, 255, 0.685);
    border: none;
    border-radius: .5em;
    color: var(--color-rosa3);
    font-size: 1em;
    text-align: center;
}



input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* FOOTER*/ 
footer{
    position: fixed;
    z-index: 6;
    background-color: #fff9f9b4;
    display: flex;
    align-items: center;
    justify-content: center;
    bottom:0;
    left: 0;
    margin: 0 auto;
    width: 100%;
    height: 25px;
    padding: 1px;
}

footer h4{
    color: var(--color-rosa);
    font-size: 13px; 
    font-weight: 400;
}