style.css

@import url("https://fonts.googleapis.com/css2?family=Fira+Sans:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900;1,400;1,500;1,600;1,700;1,800;1,900&display=swap");
body{
    background-color: antiquewhite;
}
h1{
    font-family: "Fira Sans", sans-serif;
    background-color: rgb(228, 74, 100);
    font-size: 3rem;
    color: white;
    font-weight: 600;
    text-align: center;
}
#main{
    background-color: rgb(60, 135, 122);
    margin:auto;
    width:35%;
    height: 400px;
    border:1px solid black;
    border-radius: 10px;
    margin-top: 5%;
    align-items: center;
}

form{
    margin-left: 2rem;
    margin-top: 2rem;
}

.inp1{
    font-family: "Fira Sans", sans-serif;
    font-size: 1.5rem;
    width:78%;
    height:2.3rem;
    border-radius: 5px;
}
.inp2{
    font-family: "Fira Sans", sans-serif;
    font-size: 1.5rem;
    width:12%;
    height:2.6rem;
    border: none;
    border-radius: 5px;
    margin-left:5px;
}
.inp3{
    font-family: "Fira Sans", sans-serif;
    font-size: 1.5rem;
    width:25%;
    height:2.6rem;
    border:none;
    border-radius: 5px;
    margin:2px;
}