body{
margin: 0;
background: linear-gradient(to left bottom, lightblue, lightpink, lightblue);
min-height: 100vh;
display: flex;
justify-content: center;
align-items: center;
font-family: monospace;
}

.container{
background-color: rgba(255, 255, 255, .3);
padding: 20px;
box-shadow: 06px 10px rgba(0, 0, 0, .3);
border-radius: 15px;
width: 85%;
text-align: center;
color: green;
}

.heading{
font-size: 35px;
font-weight: 200;
font-family: Impact, haettenschweiler,
'Ariel Narrow Bold', sans-serif;
text-shadow: 5px 5px 2px rgba(0, 0, 0, .3);
letter-spacing: 2px;
}

.joke{
font-size: 25px;
font-weight: 500;
margin: 40px;

}

.btn{
font-size: 18px;
font-weight: 700;
border-radius: 5px;
cursor: pointer;
padding: 10px;
background-color: rgba(255, 255, 255, .3);
border-color: rgba(255, 255, 255, .6);
text-transform: uppercase;
width: 300px;
color: darkgreen;

}

.btn:hover{
background-color: rgba(255, 255, 255, .5);
box-shadow: 0 4px 4px rgba(255, 255, 255, .3);
transition: all 300ms ease;


}