Your custom CSS:
.searchandfilter[data-sf-form-id="2167"] .sf-field-submit input {
border-radius: 3px;
color: #fff;
font-family: Assistant;
font-weight: 400;
}
You need to have the icons in the size you need as transparent png images of the correct size on your site. The CSS would be something like this I think:
.searchandfilter[data-sf-form-id="2167"] .sf-field-search input {
padding-right: 30px;
background: url(your path to the image);
}
and
.searchandfilter[data-sf-form-id="2167"] .sf-field-taxonomy-job_locations select {
padding-right: 30px;
background: url();
}
I think.