/* remove the "or drop files" label from the right of the lightning:input type file */
.slds-file-selector__dropzone .slds-file-selector__text {
    font-size: 0 !important;
	color: rgb(21, 137, 238) !important;
}

/* insert the text "or drop file" into the label */
.slds-file-selector__dropzone .slds-file-selector__text:after {
    content: 'or drop here' !important;
    font-size: .8125rem !important;
    color: rgb(21, 137, 238) !important;
}

/* remove the "Upload Files" text from the button of the lightning:input type file */
.slds-file-selector__dropzone .slds-file-selector__button {
    font-size: 0 !important;
	color: rgb(21, 137, 238) !important;
}

/* insert the text "Upload File" into the button of the lightning:input type file */
.slds-file-selector__dropzone .slds-file-selector__button:after {
    content: 'Upload Files' !important;
    font-size: .8125rem !important;
    color: rgb(21, 137, 238) !important;
}