@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500&display=swap');

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Roboto', sans-serif;
}

body {
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100% 100%;
    margin: 0;
    color: black;


}

h1 {
    text-align: center;
    align-items: center;
    justify-content: center;
    background-color: greenyellow;
    padding: 10px;
    margin-top: 0;
  
}

.calculator {
    text-align: center;
    align-items: center;
    justify-content: center;
}


label {
    font-weight: bold;
    font-size: larger;
}


.input1,
.input2,
.input3,
.input4 {
    border: none;
    border-bottom: 1px solid black;
    background-color: transparent;
    width: 50%;
    margin-bottom: 1rem;
    padding: 1rem 1rem;
    color: black;
  
}


button {
    border-radius: 20px;
    padding: 16px 32px;
    font-size: large;
    transition:0.2s;   
    font-weight: 500;
}

button:hover{
    transform: scale(1.2);
}

.output {
    color: black;
    font-size: larger;
    max-width: 500px;
    margin:0 auto;
  
    padding: 1rem;
    border: 1px solid black;
    border-radius: 10px;
}

footer{
    text-align: center;
    padding-top: 120px;
}