.custom-select {
    border: solid thin blue;
    padding: 1em;
    margin: 1em;
    border-radius: 10px;
    background: #9e9e9e0f;
    display:flex;
}

.custom-select > select {
    height: 3.2em;
    width:30%;
    font-size: 1em;
    font-weight: bold;
    margin-top:0.2em;
}

.car-list > button {
    margin:0.2em;
    background: white;
    border: solid thin blue;
    font-size: 1em;
}

.btn {
    cursor:pointer;
    border:solid thin;
    padding: 1em;
    border-radius: 10px;
    margin: 1em;
}

.btn:focus { background-color:yellow;}
.btn:active { background-color:blue;}