form{
    background-color: white;
    /* box-shadow: 1px 1px 10px black; */
}
.card_button {
    border-radius: 4px;
    border: none;
    outline: none;
    width: 100%;
    padding: 0 15px;
    font-size: 18px;
    line-height: 36px;
    font-weight: 500;
    margin: 25px 0 10px;
    color: #fff;
    background: linear-gradient(rgb(54, 170, 225), rgb(54, 170, 225));
    box-shadow: 0 2px 12px -3px #ff5050;
    -moz-animation: btn 6s 3s infinite ease-in-out;
    -webkit-animation: btn 6s 3s infinite ease-in-out;
    animation: btn 6s 3s infinite ease-in-out;
    opacity: 0.9;
    -moz-transition: all 0.3s;
    -o-transition: all 0.3s;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
}

.card_button:hover {
    opacity: 1;
    box-shadow: 0 2px 2px -3px #ff5050;
}


@media (max-width: 400px) {
    form {
        height: 1000px;
    }
}

@media only screen and (min-device-width: 768px) and (max-device-width: 1024px)  {
    form {
        height: 600px;
    }
}
@media only screen and (min-resolution: 132dpi) and (max-device-width: 1024px) and (orientation : portrait){ 
    form {
        height: 600px;
    }
    
}
@media only screen and (device-aspect-ratio: 1024/768) and (orientation : portrait) { 
    form {
        height: 600px;
    }
    
}