SCSS
a {
border-radius: 50%;
border: 2px solid rgba(0,0,0,0.5);
display: table;
font-size: 2em;
height: 40px;
line-height: 40px;
position: absolute;
text-align: center;
text-decoration: none;
width: 40px;
&.animacao {
animation: animacao .2s infinite alternate;
}
&:before {
content: '+';
}
}
@keyframes animacao {
from {
top: 0;
}
to {
top: 5px;
}
}
