#asset_in {
    display: inline-block;
    width:50%;
    float: left;
    background-color: rgb(144, 255, 140);
}
#asset_out {
    display: inline-block;
    width:50%;
    float: right;
    background: rgb(255, 126, 126);
}
.header {
    display: block; 
    position: relative; 
    margin-left: auto; 
    margin-right: auto;
}
#main {
    padding: 5px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    border-radius: 25px;
    border: 4px solid #98ff44;
    background-color: #c0ff8c;
}
p {
    font-size: 1.6em;
}
input {
    font-size: 1.6em;
}