esx_core/html/css/app.css

@font-face {
    font-family: roboto;
    src: url('../roboto.ttf');
}

body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: roboto;
}

#cursor {
    position: absolute;
    z-index: 999999;
    display: none;
}

#container{
    position: absolute;
    background: linear-gradient(#0c3b97,#3458ae);
    height: 500px;
    width: 600px;
    top: 50%;
    left: 50%;
    margin: -250px 0 0 -300px;
    cursor: default;
}

#header{
    position: absolute;
    display: block;
    width: 100%;
    height: 75px;
    background: linear-gradient(#f5f5f5, #adadad);
}

#logo {
    height: 55px;
    margin: 10px;
}

#welcome-text {
    font-size: 25px;
    position: absolute;
    top: 100px;
    left: 50%;
    width: 450px;
    margin: 0 0 0 -225px;
    color: white;
}

#menu {
    position: relative;
    top: 90%;
}

#menu {
    display: flex;
    flex-direction: column;
    height: 150px;
    margin: -150px auto 0;
    width: 500px;
}

#menu div {
    display: flex;
    flex-direction: row;
}

input {
    margin: 0 20px 0 0;
    background: linear-gradient(#00408e, #02306b);
    border-radius: 5px;
    border: 1px solid #4f89d4;
    color: white;
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    /* display: none; <- Crashes Chrome on hover */
    -webkit-appearance: none;
    margin: 0; /* <-- Apparently some margin are still there even though it's hidden */
}

button {
    background: #ffffff;
    border-radius: 5px;
}

button:hover {
    cursor: pointer;
}

#deposit_btn {
    width: 250px;
    height: 50px;
    font-size: 2em;
}

#deposit_amount {
    width: 250px;
    height: 50px;
    font-size: 2em;
}

#withdraw_btn {
    width : 250px;
    height: 50px;
    font-size:  2em;
}

#withdraw_amount {
    width    : 250px;
    height   : 50px;
    font-size:  2em;
}