/* Hello Box */

div#box {
	background: #9DCEFF;
	width: 400px;
	height: 270px;
	overflow: hidden;
}

div#box h1 {
  text-align: center;
  font-size: 7rem;
}

/* Ball */

@keyframes go-left-right {        
    from { left: 0px; }             
    to { left: calc(100% - 50px); } 
}

.kickball {
    animation: go-left-right 3s infinite alternate;
    position: relative;
    height: 0px;
    width: 0px;
    border-right: 40px solid blue;
    border-top: 40px solid yellow;
    border-left:40px solid red;
    border-bottom:40px solid orange;
    border-top-left-radius: 100px;
    border-top-right-radius: 100px;
    border-bottom-left-radius: 100px;
    border-bottom-right-radius: 100px;
}

.paused {
  animation-play-state: paused;
}
 
button {
  background-color:lightblue;
  padding: 10px;
  border-top-left-radius:20px;
}
 
button:hover{
  background-color:purple;
  color:white;
}

/* Menu */

.dropbtn {
    background-color: purple;
    color: white;
    padding: 16px;
    font-size: 20px;
    border: none;
    cursor: pointer;
    min-width: 160px;
  }
  
  .dropbtn:hover, .dropbtn:focus {
    background-color: pink;
  }
  
  .menu {
    position: relative;
    display: inline-block;
  }
  
  .dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 160px;
    overflow: auto;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    text-align: center;
  }
  
  .dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
  }
  
  .dropdown-content a:hover {background-color: pink}
  
  .show {display:block;}