.cool-step-section {
    display: none;
}

.cool-step-section-active {
    display: block;
}

.cool-step-state-bloc {
    display: flex;
    width: 100%;
    align-items: center;
}

.cool-step-state {
    display: block;
    border: 8px solid white;
    border-radius: 25px;
    padding: 4px;
    flex-grow: 1;
    background: #D9D9D9; 
    box-sizing: border-box;
}

.cool-step-state-active {
    background: black;
}