style.css

@import url("https:fonts.googleapis.com/css2?family=Inconsolata:400,700");
*{
    margin:0;
    padding:0;
    box-sizing: border-box;
}
body{
    font-family: 'Inconsolata','Sans-Serif';
    background: #2a364f;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    overflow: hidden;
    margin: 0;
    padding:20px;
}
.container{
    background-color: rgb(252, 248, 251);
    border-radius: 10px;
    box-shadow: 0 10px 20px 10px rgba(0,0,0,0.1) ;
    width:800px;
    padding: 50px 20px;
    text-align: center;
    max-width: 100%;
}

.btn{
    background: #f8b627;
    color:#fff;
    border: 0;
    border-radius: 10px;
    box-shadow: 0 1px 15px rgba(0,0,0,0.1) 0 6px 6px rgba(0,0,0,0.1);
    font-size: 18px;
    font-weight: 500;
    padding: 12px 30px;
    cursor: pointer;
    font-family: "Mulish",sans-serif;
}

.btn:hover{
    background-color: #181817;
}

h3{
    margin: 0;
    color: rgb(148,141,141);
    letter-spacing: 2px;
    text-transform: capitalize;
}

.joke{
    font-size: 30px;
    letter-spacing: 1px;
    line-height: 40px;
    margin: 50px auto;
    max-width: 600px;
}