.login-form {left: 0;position: absolute;top: calc(50% - 180px);width: 100%;}
.login-form .form-box {margin: 0 auto; text-align: center; width: 300px;}
.login-form .form-box .logo { margin-bottom: 19px;}
.login-form .form-box form .field {text-align: left;}
.login-form .form-box form .field + .field {margin-top: 15px;}
.login-form .form-box form .field input {width: 100%; color:#868686; font-size:15px;}
.login-form .form-box form .field button {width: 100%;}
.login-butn{font-size: 23px;padding: 10px 25px;background-color: #000; font-weight:500; border:none; color: #fff;cursor: pointer; display: inline-block; text-transform:uppercase;}