body {overflow-x: hidden;}
.full {width: 100%;}
.buy_now {background-color: yellow;text-align: center;width: 165px;display: block;padding: 15px 30px;font-size: 25px;color: red;text-decoration: none;border-radius: 10px;border: 1px solid red;}
.buy_now:hover {
background-color: red;
color: yellow;
text-decoration: none;
border:1px solid yellow;
}