style.css

@import url("https://fonts.googleapis.com/css?family=Josefin+Sans:300,400,600&display=swap");

*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    border: none;
}
body{
    background-image: linear-gradient(to right,  hsl(0, 0%, 100%), to hsl(0, 100%, 98%));
    font-family:  "Josefin Sans";
}
.container{
    display: flex;
    min-height: 100vh;
} 
.logo{
    margin: 60px 0;
    width: 200px;
} 
.bg-mobile{
    display: none;}
h1{
    font-size: 60px;
    font-weight: 400;
    color: hsl(0, 6%, 24%);
    letter-spacing: 10px;
    text-transform: uppercase;
    position: relative;
    margin-bottom: 25px;
    margin-top: 10px;
    line-height: 1.1;
}
h1 span{
    color: hsl(0, 36%, 70%);
    font-weight: 200;
}
p{
    font-size: 16px;
    font-weight: 300;
    color: hsl(0, 36%, 70%);
    line-height: 26px;
    position: relative;
}
.left-sec{
    background-image: url("./images/bg-pattern-desktop.svg");
    background-size: cover;
    background-position: center center;
    padding: 0 40px 40px;
    width: 60%;
} 
.left-sec__content{
    margin: 0 auto;
    max-width: 450px;
} 
.rigth-sec{
    width: 40%;
}
.bg-img{
    background-image: url("./images/hero-desktop.jpg");
    background-size: cover;
    background-position: center center;
}
form{
    position: relative;
    margin-top: 25px;
}
input{
    background-color: transparent;
    border: 1px solid hsl(0, 36%, 70%);
    padding: 15px 30px;
    border-radius: 50px;
    width: 100%;
    height: 55px;
    font-size: 16px;
}
input:focus{
    outline: none;
    border-width: 2px;
    box-shadow: 0px 0px 10px hsla(0, 36%, 70%, 0.5);
} 
input::placeholder{
    color: hsl(0, 36%, 70%);
}
form.error input{
    border: 2px solid var(--Soft-Red);
} 
button{
    position: absolute;
    top: 0;
    right: 0;
	background-image: linear-gradient(135deg, hsl(0, 80%, 86%), hsl(0, 74%, 74%));
    padding: 15px;
    border-radius: 50px;
    width: 100px;
    height: 55px;
    box-shadow: 2px 5px 10px hsla(0, 36%, 70%, 0.5);
    transition: opacity 0.2s ease;
    cursor: pointer;
} 
button:hover{
    opacity: 0.6;
}
.error-icon{
    display: none;
    position: absolute;
    top: 15px;
    right: 110px;
}
form.error .error-icon{
    display: block;
}
small{
    display: none;
    margin-top: 15px;
    margin-left: 30px;
}
form.error small{
    display: block;
}