body {
    margin: 0;
    padding: 0;
    background-color: rgb(58, 58, 58);
    color: rgb(255, 255, 255);
}

div {
    width: 85%;
    text-align: center;
    margin: auto;
}

.file {
    background-color: rgb(20, 20, 20);
    border-radius: 15px;
    color: white;
    margin: 2.5px;
    border: rgb(10, 10, 10) solid 3.5px;
    cursor: pointer;
    transition: background-color 0.0625s ease;
}

.file:hover {
    background-color: rgb(35, 35, 35);
    border: rgb(20, 20, 20) solid 3.5px;
}

.file:active {
    background-color: rgb(15, 15, 15);
    border: rgb(35, 35, 35) solid 3.5px;
}

input {
    width: 80%;
    background-color: rgb(20, 20, 20);
    color: white;
    display: block;
    margin: auto;
    transition: background-color 0.0625s ease;
    outline: 0;
    border: 0;
    border-radius: 15px;
    padding: 10px 15px;
    margin-bottom: 10px;
}

input:hover {
    background-color: rgb(30, 30, 30);
}

input:focus {
    background-color: rgb(15, 15, 15);
}