* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: #de8a89;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.headings {
    display: flex;
    flex-direction: row;
    align-items: center;
    text-align: center;
    gap: 20px;
    margin-bottom: 15px;
}

.heading {
    margin-bottom: 40px;
    margin-left: 200px;
}

.bold {
    font-weight: bold;
    color: #ffffff;
    font-size: 50px;
}

.not-bold {
    font-weight: bold;
    color: #ecb9b8;
    font-size: 50px;
}

.heading p {
    font-size: 13px;
    color: #ffffff;
}

.container {
    display: flex;
    width: 750px;
    height: 200px;
    border-radius: 0px;
    margin: 0;
    padding: 0px;
}

.panel-1 {
    padding: 30px;
    background-color: #3e3c3d;
    width: 35%;
    height: 100%;
    display: flex;
    flex-direction: column;
    background-size: cover;
    background-position: center;
}

.panel-2 {
    padding: 30px;
    background-color: #353334;
    width: 35%;
    height: 100%;
    display: flex;
    flex-direction: column;
    background-size: cover;
    background-position: center;
}

.panel-3 {
    padding: 30px;
    background-color: #201e1f;
    width: 35%;
    height: 100%;
    display: flex;
    flex-direction: column;
    background-size: cover;
    background-position: center;
}

.container p {
    color: #c88a88;
    font-size: 18px;
    margin-top: 20px;
    margin-bottom: 10px;
}

.container span {
    color: #ffffff;
    font-size: 24px;
    font-weight: bold;
}

.play-button {
    width: 120px;
    height: 80px;
    background-color: #ecb9b8;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease;
}

.play-button:hover {
    transform: scale(1.05);
    background-color: #ffffff;
}

.play-icon {
    width: 0;
    height: 0;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    margin-left: 5px;
}

.one {
    border-right: 8px solid #855352;
}

.two {
    border-left: 8px solid #855352;
}

.start-btn {
    display: flex;
    align-items: flex-start;
    margin-left: -400px;
    padding: 20px 0; 
    margin-top: -40px;
}

.start-btn button {
    background-color: black;
    color: white;
    border: none;
    border-radius: 3px;
    width: 170px;
    padding: 12px 24px;
    font-size: 12px;
    cursor: pointer;
    transition: transform 0.1s;
}

.start-btn button:active {
    animation: shake 0.3s;
}

@keyframes shake {
    0% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    50% { transform: translateX(5px); }
    75% { transform: translateX(-5px); }
    100% { transform: translateX(0); }
}