body {
    background-color: #e0f7fa; 
    font-family: Arial, sans-serif;
}

h1 {
    color: #01579b;
}

.center {
    text-align: center;
}

input.t {
    width: 200px;
    height: 40px;
    margin: 10px;
    padding: 5px;
    border: 2px solid #0288d1;
    border-radius: 5px;
    font-size: 16px;
}

input.t34 {
    width: 250px;
    height: 40px;
    margin: 10px;
    padding: 5px;
    border: 2px solid #0288d1;
    border-radius: 5px;
    font-size: 16px;
    background-color: #e0f7fa;
}

button {
    width: 50px;
    height: 50px;
    margin: 5px;
    font-size: 18px;
    color: #ffffff;
    background-color: #0288d1;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #0277bd; 
}

button:active {
    background-color: #01579b; 
}

div {
    margin: 15px 0;
}