*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body{
    background-color: #181717;
    color: white;
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.5s ease;
}

.box{
    background: linear-gradient(145deg, #2c2c2c, #1a1a1a);
    padding: 5em;
    border-radius: 25px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.7);
    text-align: center;
}

h1{
    font-size: 4rem;
    color: cyan;
    margin-bottom: 1em;
}



button{
    border: none;
    outline: none;
    font-size: 1.8em;
    padding: 20px 30px;
    border-radius: 10px;
    margin: 10px;
    color: white;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

button:hover{
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.5);
}

.box > button:nth-of-type(1) {
    background-color: #10B981;
}

.box > button:nth-of-type(2) {
    background-color: #EF4444;
}

.box > button:nth-of-type(3) {
    background-color: #3B82F6;
}