* {
    border: 0;
    margin: 0;
}

:root {
    --left-0-1-4-7: -165px;
    --left-2-5-8: -100px;
    --left-3-6-9: -30px;
    --top-1-2-3: 335px;
    --top-4-5-6: 285px;
    --top-7-8-9: 230px;
}

body {
    overflow: hidden;
}

.container {
    max-width: 445px;
    margin: 50px auto;
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
  }

  .btn {
    width: 100%;
    height: 50px;
    font-size: 1em;
    border: none;
    background: #dfdfdf;
    cursor: pointer;
    color: rgba(0, 0, 0, 0);
  }

h1 {
    text-align: center;
    margin-top: 20px;
    margin-bottom: 20px;
}

#calc-img {
    text-align: center;
    position: relative;
}

.display {
    position: relative;
    top: -390px;
    font-size: 50px;
    text-align: center;
    width: 260px;
}

#bt1 {
    position: absolute;
    top: var(--top-1-2-3);
    margin-left: var(--left-0-1-4-7);
    width: 60px;
    height: 40px;
    background: url(".../Calculadora/img/1.jpg");
    text-align: center;
}

#bt2 {
    position: absolute;
    top: var(--top-1-2-3);
    margin-left: var(--left-2-5-8);
    width: 60px;
    height: 40px;
    background: url(".../Calculadora/img/1.jpg");
    text-align: center;
}

#bt3 {
    position: absolute;
    top: var(--top-1-2-3);
    margin-left: var(--left-3-6-9);
    text-align: center;
    width: 57px;
    height: 42px;
    background: url(".../Calculadora/img/1.jpg");
}

#bt4 {
    position: absolute;
    top: 285px;
    margin-left: var(--left-0-1-4-7);
    width: 60px;
    height: 40px;
    background: url(".../Calculadora/img/1.jpg");
}

#bt5 {
    position: absolute;
    top: var(--top-4-5-6);
    text-align: center;
    margin-left: var(--left-2-5-8);
    width: 60px;
    height: 40px;
    background: url(".../Calculadora/img/1.jpg");
}

#bt6 {
    position: absolute;
    top: var(--top-4-5-6);
    margin-left: var(--left-3-6-9);
    text-align: center;
    width: 60px;
    height: 40px;
    background: url(".../Calculadora/img/1.jpg");
}

#bt7 {
    position: absolute;
    top: 230px;
    margin-left: var(--left-0-1-4-7);
    text-align: center;
    width: 60px;
    height: 40px;
    background: url(".../Calculadora/img/1.jpg");
}

#bt8 {
    position: absolute;
    top: var(--top-7-8-9);
    margin-left: var(--left-2-5-8);
    text-align: center;
    width: 60px;
    height: 40px;
    background: url(".../Calculadora/img/1.jpg");
}

#bt9 {
    position: absolute;
    top: var(--top-7-8-9);
    margin-left: var(--left-3-6-9);
    text-align: center;
    width: 60px;
    height: 40px;
    background: url(".../Calculadora/img/1.jpg");

}

#bt0 {
    position: absolute;
    top: 388px;
    margin-left: var(--left-0-1-4-7);
    text-align: center;
    width: 60px;
    height: 40px;
    background: url(".../Calculadora/img/1.jpg");
    border-radius: 10px;
}

#bt00 {
    position: absolute;
    top: 388px;
    margin-left: var(--left-2-5-8);
    text-align: center;
    width: 60px;
    height: 40px;
    background: url(".../Calculadora/img/1.jpg");
    border-radius: 10px;
}

#btPt {
    position: absolute;
    top: 388px;
    margin-left: var(--left-3-6-9);
    text-align: center;
    width: 60px;
    height: 40px;
    background: url(".../Calculadora/img/1.jpg");
    border-radius: 10px;
}

#delete {
    position: absolute;
    top: 185px;
    margin-left: -166px;
    text-align: center;
    width: 60px;
    height: 35px;
    background: url(".../Calculadora/img/1.jpg");
}

#delet-all {
    position: absolute;
    top: 185px;
    margin-left: 100px;
    text-align: center;
    width: 60px;
    height: 35px;
    background: url(".../Calculadora/img/1.jpg");
}

#soma {
    position: absolute;
    top: 335px;
    margin-left: 33px;
    padding: 39px 25px;
    text-align: center;
    width: 60px;
    height: 40px;
    background: url(".../Calculadora/img/1.jpg");
    border-radius: 10px;

}

#minus {
    position: absolute;
    top: 335px;
    margin-left: 100px;
    text-align: center;
    padding: 12px 26px;
    width: 60px;
    height: 40px;
    background: url(".../Calculadora/img/1.jpg");

}

#mult {
    position: absolute;
    top: 282px;
    margin-left: 35px;
    text-align: center;
    width: 60px;
    height: 40px;
    background: url(".../Calculadora/img/1.jpg");
    padding: 12px 24px;
    border-radius: 10px;
}

#division {
    position: absolute;
    top: 282px;
    margin-left: 102px;
    text-align: center;
    width: 60px;
    height: 40px;
    background: url(".../Calculadora/img/1.jpg");
    padding: 12px 24px;
    border-radius: 10px;
}

#result {
    position: absolute;
    top: 387px;
    margin-left: 102px;
    text-align: center;
    width: 60px;
    height: 40px;
    background: url(".../Calculadora/img/1.jpg");
    padding: 12px 24px;
    border-radius: 10px;
}

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

.navigation nav {
    margin: 10px;
}

.navigation {
    display: flex;
    justify-content: center;
    list-style-type: none;
    text-transform: uppercase;
    background-color: #24292f;
    height: 50px;
    font-size: 23px;
}

.navigation a:hover {
    text-decoration: none;
    color: grey;
}

@media (max-width: 590px)
{
    .navigation {
        height: 45px;
        font-size: 20px;
    }
}

@media (max-width: 500px)
{
    .navigation {
        height: 45px;
        font-size: 19px;
    }
}

@media (max-width: 450px)
{
    .navigation {
        height: 40px;
        font-size: 18px;
    }
}

@media (max-width: 400px)
{
    .navigation {
        height: 40px;
        font-size: 16px;
    }
}

@media (max-width: 350px)
{
    .navigation {
        height: 35px;
        font-size: 14px;
    }
    h1{
        font-size: 30px;
    }
}