.container{
    width: 100%;
    height: 100vh;
    position: relative;
}

.container .heading{
    width: 100%;
    position: relative;
    height: 88px;
    margin: 0 auto;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    z-index: 100;
    display: flex;
    align-items: center;
}

.container .heading a{
    display: block;
    width: 76px;
    height: 76px;
    margin-left: 40px;
    margin-right: 20px;
}

.container .heading h3{font-size: 3.4rem;color: var(--primary-color);}

.container .body{
    width: 100%;
    height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    background-color: var(--background);
}

.container .body .big-image{
    width: 50%;
}

.container .body .big-image .image{
    width: 60%;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
}

.container .body .form-login{
    width: 50%;
    text-align: center;
}

.container .body .form-login h1{
    margin: 30px 0;
}

.container .body .form-login .form{
    text-align: left;
    padding-left: 80px;
    padding-right: 80px;
    margin-bottom: 40px;
}

.container .body .form-login .form p{
    font-size: 1.8rem;
    margin: 16px 0;
}

#username, #email, #password, #phone{
    padding: 8px;
    width: 100%;
    border: 1px solid var(--primary-color);
    border-radius: 4px;
}

#submit{
    width: 100%;
    margin: 0;
}

.container .body .form-login .form .pw-tasks{
    margin: 20px 0;
    width: 100%;
    justify-content: space-between;
    font-size: 1.6rem;
}

.container .body .form-login .form .pw-tasks .forget{
    font-style: italic;
    font-size: 1.4rem;
    color: var(--primary-color);
    float: right;
}

.container .body .form-login .sign-up{
    font-size: 1.4rem;
}

/*css for alert messages*/

.alert-success{
    z-index: 1;
    background: #D4EDDA;
    font-size: 18px;
    padding: 20px 40px;
    min-width: 420px;
    position: fixed;
    right: 0;
    top: 10px;
    border-left: 8px solid #3AD66E;
    border-radius: 4px;
}
  
.alert-error{
    z-index: 1;
    background: #FFF3CD;
    font-size: 18px;
    padding: 20px 40px;
    min-width: 420px;
    position: fixed;
    right: 0;
    top: 10px;
    border-left: 8px solid #FFA502;
    border-radius: 4px;
}
        

@media (max-width:968px){
    .container .body .form-login .form{
        padding-left: 40px;
        padding-right: 40px;
        margin-bottom: 20px;
    }
}

@media (max-width: 428px){
    .container .body .form-login{
        width: 100%;
    }

    .container .body .big-image{
        width: 0;
        display: none;
    }
}