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

body{
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f5f5f5;
    padding: 20px;
}

h1{
    text-align: center;
    margin-bottom: 30px;
}

.container{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.card{
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px #ccc;
}

.full{
    grid-column: span 3;
}

.card input,
button{
    width: 100%;
    padding: 10px;
    margin: 7px 0;
    border-radius: 6px;
    border: 1px solid #aaa;
}

button{
    background-color: #0077ff;
    color: white;
    cursor: pointer;
}

button:hover{
    background-color: #005fcc;
}

#accounts{
    margin-top: 10px;
    line-height: 1.7;
    font-size: 15px;
}


@media (max-width: 768px) {
    .container {
        display: flex;
        flex-direction: column;
    }
}