*{
    padding: 0;
    margin: 0;
    outline: none;
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    font-weight: 500;
    font-size: 25px;
}

body{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(-50deg, #0e8a50, #327cc2, #27866e, #054988 );
}


input{
    margin: 2px;
    border: none;
    border-radius: 5px;
}

input[type=text]{
    width: calc(100% - 4px);
    height: 50px;
}

input[type=button]{
    width: 100px;
    height: 50px;
    transition: ease 0.3s;
    cursor: grab;
}

div#calculadora{
    box-shadow: 0 0 50px black;
    background: linear-gradient(-50deg, #0e8a50, #327cc2, #27866e, #054988 );
    
}

div#calculadora div{
    display: flex;
}

div#calculadora div input:nth-child(4){
    background: gray;
}

div#linha4 input:nth-child(1), div#calculadora{
    border-bottom-left-radius: 30px;
}

div#linha4 input:nth-child(1){
    background: #f80707;
    
}

div#linha4 input:nth-child(3){
    background: #4ba105;
}

div#linha4 input:nth-child(4), div#calculadora{
    border-bottom-right-radius: 30px;
}

input[type=button]:hover {
    filter: brightness(80%);
}

input[type=button]:active{
    transform: scale(0.8);
}