style.css

.container {
    width: 700px;
    height: 700px;
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    box-shadow: 0 0 1em gray;
}

.outer{
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    width: 1000px;
    margin: 0 auto;
}

.header, .footer {
    flex-basis: 100%;
}

.menu{
    display:flex;
    flex-direction: column;
    flex-basis: 20%;
    gap: 16px;
}

body{
    font-family: monospace;
}

.header {
    font-size: large;
    text-align: center;    

}

button {
    font-family: monospace;
    font-weight: bold;
    padding: 15px 32px;
    font-size: 16px;
    border: none;
    background-color: #2f75ff;
    color: white;
    margin: 0 auto;
    width: 120px;
}

button:hover{
    background-color: azure;
    color: black;
}

.picker {
    margin: 0 auto;
    height: 50px;
    width: 120px;
    background-color: #2f75ff;
    padding: 10px;
}

.picker:hover{
    background-color: azure;
}

.size {
    margin: 0 auto;
}

label {
    margin: 0 auto;
    font-family: monospace;
}

.footer{
    text-align: center;
}