styles.css

body {
    background-color: #222226;;
    margin: 24px;
    height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.stopwatch-main {
    font-family: sans-serif;
    display: inline-block;
    margin-top: 59.5%;
    padding: 24px 32px;
    border-radius: 30px;
    background: #28282B;
}

.stopwatch-container {
    display: flex;
    flex-direction: column;
    height: 400px; 
    overflow-y: auto; 
}

.stopwatch-container::-webkit-scrollbar {
    display: none;
}

  

.stopwatch-elements {
    padding-top: 50px;
    font-size: 36px;
    font-weight: bold;
    color: rgb(219, 218, 218);
}

.stopwatch-btn {
    width: 55px;
    height: 55px;
    margin-left: 16px;
    border-radius: 50%;
    border: none;
    color: white;
    background: #8208e6;
    cursor: pointer;    
}

.stopwatch-btn-lap {
    background: #454545;
    color: #b6b6b6;
}

button.lap-running:hover{
    background: #4f4e4e;
}


.stopwatch-btn-reset {
    background: #515151;
    color: #b6b6b6;
}

button.stopwatch-btn-reset:hover{
    background: #575757;
}

.stopwatch-btn-start {
    background: #0b4e44;
    color: #32CD32;
}

.stopwatch-btn-stop {
    background: #7B1818;
    color: #FF3131;
}

.start, .stop {
    display: inline;
}

.start > button:hover {
    background: #115a4f;
    color: #4ab74a
}

.stop > button:hover {
    background: #8f1a1a;
}

.border-line {
   padding: 20px 10px;
   border-bottom: 1px solid #303030;
}

.lap-intervals {
    color: white;
    padding: 10px 10px;
    border-bottom: 1px solid #303030;
    display: flex;
    justify-content: space-between;
}