.arrow:after {
content: '';
display: inline-block;
width: 0;
height: 0;
vertical-align: middle;
border: 4px solid transparent;
border-top-color: #fff;
transition: transform 0.1s ease-in 0s;
}
.arrow:after {
content: '';
display: inline-block;
width: 0;
height: 0;
vertical-align: middle;
border: 4px solid transparent;
border-top-color: #fff;
transition: transform 0.1s ease-in 0s;
}