*{
    margin:0px;
    padding:0px;
    box-sizing: border-box;
    font-family: "SUSE Mono", sans-serif;
    font-optical-sizing: auto;
    font-weight: 350;
    font-style: normal;
}
body{
    background-color: #f0f0f0;
}
h1{
    text-align: center;
    margin-top: 24px;
}
.card_container{
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 100px;
}
.card{
    width: 325px;
    border: 1px solid #000000;
    background-color: #f0f0f0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0px 2px 4px rgba(0,0,0,0.2);
    margin:20px;
    align-items: center;
    text-align: center;
}
.card img{
    margin-top:12px;
    width: 90%;
    height: auto;
    justify-content: center;
}
.card_content h3{
    font-size: 24px;
    margin-top: 12px;
    margin-bottom: 8px;
    margin-left: 4px;
}
.card_content p{
    color: #666;
    font-size: 15px;
    line-height: 1.3;
    margin-left: 4px;
}
.card_content .btn{
    display: inline-block;
    padding:8px 16px;
    background-color: #333;
    text-decoration: none;
    border-radius: 4px;
    margin-top: 16px;
    margin-left: 4px;
    margin-bottom: 8px;
    color: #fff;
}
button{
    font-size: 14px;
    background-color: steelblue;
    border-radius: 4px;

}
input{
    width: 20px;
}
.version_tracker{
    position: fixed;
    bottom: 15px;
    right: 15px;
    opacity: 0.6;
}