Do a couple small Dockerfile improvements

Dockerfile

@@ -1,9 +1,9 @@
-FROM rust:alpine as builder
+FROM rust:alpine AS builder
 WORKDIR /usr/src/empede
 RUN apk add --no-cache build-base
 COPY ./src ./src
 COPY ./templates ./templates
-COPY ./Cargo.* ./
+COPY ./Cargo.toml ./Cargo.lock ./
 RUN cargo install --path .
 
 FROM alpine:latest

static/style.css

@@ -28,7 +28,6 @@ button {
   background-color: transparent;
   border: none;
   color: inherit;
-  padding: 0;
   font-weight: bold;
   display: flex;
   line-height: 24px;
@@ -228,6 +227,10 @@ ul.dir li .material-symbols-outlined {
 
 .albumart img {
   visibility: hidden;
+  border-radius: 0.25rem;
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
 }
 
 .queue .albumart {
@@ -239,13 +242,6 @@ ul.dir li .material-symbols-outlined {
   margin-right: 0.75rem;
 }
 
-.albumart img {
-  border-radius: 0.25rem;
-  width: 100%;
-  height: 100%;
-  object-fit: cover;
-}
-
 .track {
   margin-right: 0.75rem;
 }