Round css down-caret button
a.btn {
background: #fff;
border-radius: 4px;
box-shadow: 0 2px 0px 0 rgba(0,0,0,0.25);
color: #fff;
display: inline-block;
padding: 6px 30px 8px;
position: relative;
text-decoration: none;
transition: all 0.1s 0s ease-out;
}
a.toggle-info {
border-radius: 32px;
width: 32px;
height: 32px;
position: absolute;
padding: 0;
left: 15px;
top: 0;
span {
background: #fff;
display: block;
height: 2px;
position: absolute;
top: 16px;
transition: all 0.15s 0s ease-out;
width: 12px;
}
span.left {
right: 14px;
transform: rotate(45deg);
}
span.right {
left: 14px;
transform: rotate(-45deg);
}
}
/* HTML
<a href="#" class="toggle-info btn">
<span class="left"></span>
<span class="right"></span>
</a>
*/