Answer 1

progress[value] {
-webkit-appearance: none;
appearance: none;
width: 50%;
height: 3em;

}
progress[value]::-webkit-progress-bar {
background: cyan;

}

progress[value]::-webkit-progress-value {
background: tomato;
}

Answer 2

the appearance: none for reset
the progress-bar for container

Answer 3

do you have any code link?