Add padding to select
select{
min-width: 100%;
width:inherit;
background: #fff;
height: 33px;
border-radius:5px;
font-size: 15px;
padding:5px;
border:none;
box-shadow: 0px 0px 30px 20px rgba(255,255,255,0.5) inset,0px 0px 0px 1px #ccc;
}