* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
html {
    font-family: Grotesk, Tahoma, Arial;
    background-color: #f3f3f3;
}
h1 {
    font-size: 45px;
    padding: 10px 20px 10px 20px;
}
.card_area {
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1000px;
}
.front_card, .back_card {
    color: #1b1b1b;
    font-size: 200%;
    width: 100%;
    height: 100%;
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    backface-visibility: hidden;
}
.front_card {
    z-index: 2;
}
.back_card {
    transform: rotateY(180deg);
    z-index: 1;
}
.card {
    position: relative;
    min-width: 90%;
    max-width: 90%;
    min-height: 200px;
    max-height: 400px;
    box-shadow: 1px 1px 10px 4px #c0c0c0;
    border-radius: 12px;
    transform-style: preserve-3d;
    transition: all 0.8s ease-in;
    padding: .2em;
}
.card:hover{ 
    transform: rotateY(180deg); 
}
#commute_h2 {
    text-align: center;
    margin: 10px 10px 40px 10px;
}

#options_card {
    display: flex;
    justify-content: space-evenly;
    margin-top: 100px;
}
button {
    transition: 0.4s;
    border: none;
    font-size: 22px;
    color: #e2e2e2;
    min-width: 40%;
    min-height: 64px;
    border-radius: 50px;
    box-shadow: 1px 1px 10px 4px silver;
    background: rgb(12,0,142);
    background: linear-gradient(90deg, rgba(12,0,142,1) 31%, rgba(29,0,255,1) 100%);
}
button:hover {
    cursor: pointer;
    scale: 101%;
}
@font-face {
    font-family: Grotesk;
    src: url(../Space_Grotesk/SpaceGrotesk-VariableFont_wght.ttf);
}