.custom_block_btn,
.acf-block-preview .custom_block_btn{
    color : #ffffff !important;
    background-color : #13a300;
    border: 6px solid #13a300;
    border-radius : 4px;
}
.custom_block_btn:hover{
    color : #000044 !important;
    background-color : #13a300;
    border-color: #13a300;
}

@media only screen and (max-width: 500px){

}