.box-newsletter{
    width: 100%;        
    position: relative;
    /*margin-left:5px;*/
}
.newsletters-container{
    width: 100%;
    padding: 10px;
    box-sizing: content-box;
}
.newsletters-container h3{
    color: #aaa;
    text-transform: uppercase;
    font-family: arial, sans-serif;
    margin: 0 20px;
}
.newsletters-container .mdl-input,
.newsletters-container .input-group-addon{
    border-radius: 0;
    border: 0;
    box-shadow: none;
    color: #333;
}    
.newsletters-container .input-group {
    border: 1px solid #eee;

}
.newsletters-container .input-group-addon{
    color: #fff;
    background: #50C6F3;        
}
.newsletters-container .btn-primary-mdl{
    border: 0;
    border-radius: 0;
    background: #50C6F3;
    color: #fff;
    padding: 15px 0;
    margin: 0 10px;
    width: 100px;
}
.newsletters-container .fa{
    font-size: 15px;
}
.table {
    display: table;
    table-layout: fixed;
    width: 100%;
    box-sizing: border-box;
}
.td {
    display: table-cell;
    vertical-align: middle;
}
.clear {
    content:".";
    display: block;
    clear: both;
    visibility: hidden;
    line-height: 0;
    height: 0;
}
@media (max-width: 768px) {
    .newsletters-container .td:last-child{
        width: 20%;
    }
    .newsletters-container .btn-primary-mdl{
        width: 100%;            
    }
}