body {
    background-color: #fff0f5;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    padding: 50px 0;
    margin: 0;
}
#container {
    width: 400px;
    background-color: white;
    border-radius: 20px; 
    box-shadow: 0 10px 25px rgba(255, 182, 193, 0.5); 
    overflow: hidden;
    border: 2px solid #ffb6c1;
}
#header {
    background-color: #ffb6c1;
    padding: 20px;
    text-align: center;
}

#header h1 {
    color: white;
    margin: 0;
    font-size: 24px;
    letter-spacing: 1px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}
.color {
    background-color: white;
}

.sp {
    margin-bottom: 12px;
    transition: transform 0.2s; 
}

.sp a {
    display: block;
    text-decoration: none;
    color: #ff69b4; 
    background-color: #fff5f7;
    padding: 15px;
    border-radius: 12px;
    border: 1px solid #ffe4e1;
    font-weight: bold;
    text-align: center;
}
.sp a:hover {
    background-color: #ffc0cb; 
    color: white;
    border-color: #ffb6c1;
}

.sp:hover {
    transform: scale(1.03); 
}