select{
display: block;
width: 100%;
height: calc(2.25rem + 2px);
padding: .375rem .75rem;
font-size: 1rem;
line-height: 1.5;
color: #495057;
background-color: #fff;
background-clip: padding-box;
border: 1px solid #ced4da;
border-radius: .25rem;
transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}