gistfile1.txt

#ctverec{
width: 200px;
height: 200px;
background-color: pink;
position: absolute;
top: 100px;
left: 100px;
border-radius: 100%;



animation-name: ctverec;
animation-duration: 5s;
animation-iteration-count: infinite;
animation-timing-function: ease-in-out;
animation-direction: reverse;


transition: all 0.2s linear;



}

#ctverec:hover{
    transform: scale(2);

}

@keyframes ctverec{
0%{margin-left: 0;}
50%{margin-left: 200px;background-color: blue;}
100%{margin-left: 0;}

}