style.css

*{
    margin: 0;
    padding: 0;
    font-family: sans-serif;
}
body{
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
#container{
    width: 40vw;
    height: 60vh;
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    flex-direction: column;
    border: 1px solid black;
    border-radius: 20px; 
}
#container input{
    width: 65%;
    height: 8%;
    font-size: 1.2vw;
    outline: none;
    border-radius: 5px;
    border: 1px solid black;
    padding: 5px;
}
button{
    width: 10vw;
    height: 6vh;
    border-radius: 5px;
    background-color: royalblue;
    outline: none;
    border: none;
    cursor: pointer;
    box-shadow: 5px 5px 0px black;
    transition: 0.5s;
    font-size: 1vw;
    font-weight: 600;
    color: white;
}
button:active{
    transform: translate(5px,5px);
    box-shadow: 0px 0px 0px transparent;
}