Arrow_up and Arrow _down CSS

.arrow-up {
width: 2px;
height: 0px;
border-left: 5px solid transparent;
border-right: 5px solid transparent;
border-bottom: 7px solid #fff;
float: right;
margin-top: 9px;
right: 27px;
margin-right: 7px;
}

.arrow-down {
width: 0;
height: 0;
border-left: 6px solid transparent;
border-right: 6px solid transparent;
border-top: 7px solid #fff;
float: right;
margin-top: 9px;
right: 27px;
margin-right: 7px;
}