* {
   box-sizing: border-box;
}
body{
    font-family: 'Merienda', cursive;
    background: #f6f5f7;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: -20px 0 0px;
}
h1{
    font-weight: bold;
    margin: 0;
    }
p{
    font-size:14px;
    font-weight: 600;
    line-height: 20px;
    letter-spacing: 0.5px;
    margin: 20px 0 30px;
}
img {
  height: 150px;
}
.container{
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 14px 28px rgba(0,0,0,.4),0 10px 10px rgba(0,0,0,.3);
    position: relative;
    overflow: hidden;
    width: 768px;
    max-width: 100%;
    min-height: 480px;
}
.form-container form{
    background: #fff;
    display: flex;
    flex-direction: column;
    padding: 0 50px;
    height: 100%;
    justify-content: center;
    align-content: center;
    align-items: center;
    text-align: center;
}

.form-container input{
    background: #eee;
    border: none;
    padding: 12px 15px;
    margin: 8px 0px; /* add zero in the end*/
    width: 100%;
    border-radius: 20px;
    margin-top: 10px;
    font-family: 'Merienda', cursive;
}

button{
    border-radius: 20px;
    border: 1px solid #ff4b2b;
    background: #ff4b2b;
    color: #fff;
    font-size: 12px;
    font-weight: bold;
    padding: 12px 45px;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: transform 80ms ease-in;
    font-family: 'Merienda', cursive;
}

button:active{
    transform: scale(0.8);
}
button:focus{
    outline: none;
}
button.ghost {
    background: transparent;
    border-color: #fff;
}
.form-container
{
    position: absolute;
    top: 0;
    height: 100%;
    transition: all 0.6s ease-in-out;
}
.sign-in-container{
    left:0;
    width: 50%;
    z-index: 2;
    }

.sign-up-container{
    left:0;
    width: 50%;
    opacity: 0;
    z-index: 1;
    }
.overlay-container{
    position: absolute;
    top:0;
    left: 50%;
    width: 50%;
    height: 100%;
    overflow: hidden;
    transition: transform 0.6s ease-in-out;
    z-index: 100;
}

.overlay{
    background: linear-gradient(to right,#ff4b2b,#ff416c) no-repeat 0 0 /cover;
    color: #fff;
    position: relative;
    left: -100%;
    height: 100%;
    width: 200%;
    transform: translateX(0);
    transition: transform 0.6s ease-in-out;
}

.overlay-panel{
    position: absolute;
    top:0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0 40px;
    height: 100%;
    width: 50%;
    text-align: center;
    transform: translateX(0);
    transition: transform 0.6s ease-in-out;
}
.overlay-right{
    right:0;
    transform: translateX(0);
}

.overlay-left{
    transform: translateX(-20%);
}

.container.right-panel-active .sign-in-container{
    transform: translateX(100%);
}
.container.right-panel-active .overlay-container{
    transform: translateX(-100%);
}

.container.right-panel-active .sign-up-container{
    transform: translateX(100%);
    opacity: 1;
    z-index: 5;
}

.container.right-panel-active .overlay{
    transform: translateX(50%)
}

.container.right-panel-active .overlay-left{
    transform: translateX(0);
}


.container.right-panel-active .overlay-right{
    transform: translateX(-20%);
}