效果:


代码实现:
<div class="container"><div class="heading">Sign In</div><form action="" class="form"><input required="" class="input" type="email" name="email" id="email" placeholder="E-mail"><input required="" class="input" type="password" name="password" id="password" placeholder="Password"><span class="forgot-password"><a href="#">Forgot Password ?</a></span><input class="login-button" type="submit" value="Sign In"></form><div class="social-account-container"><span class="title">Or Sign in with</span><div class="social-accounts"><button class="social-button google"><svg class="svg" xmlns="http://www.w3.org/2000/svg" height="1em" viewBox="0 0 488 512"><path d="M488 261.8C488 403.3 391.1 504 248 504 110.8 504 0 393.2 0 256S110.8 8 248 8c66.8 0 123 24.5 166.3 64.9l-67.5 64.9C258.5 52.6 94.3 116.6 94.3 256c0 86.5 69.1 156.6 153.7 156.6 98.2 0 135-70.4 140.8-106.9H248v-85.3h236.1c2.3 12.7 3.9 24.9 3.9 41.4z"></path></svg></button><button class="social-button apple"><svg class="svg" xmlns="http://www.w3.org/2000/svg" height="1em" viewBox="0 0 384 512"><path d="M318.7 268.7c-.2-36.7 16.4-64.4 50-84.8-18.8-26.9-47.2-41.7-84.7-44.6-35.5-2.8-74.3 20.7-88.5 20.7-15 0-49.4-19.7-76.4-19.7C63.3 141.2 4 184.8 4 273.5q0 39.3 14.4 81.2c12.8 36.7 59 126.7 107.2 125.2 25.2-.6 43-17.9 75.8-17.9 31.8 0 48.3 17.9 76.4 17.9 48.6-.7 90.4-82.5 102.6-119.3-65.2-30.7-61.7-90-61.7-91.9zm-56.6-164.2c27.3-32.4 24.8-61.9 24-72.5-24.1 1.4-52 16.4-67.9 34.9-17.5 19.8-27.8 44.3-25.6 71.9 26.1 2 49.9-11.4 69.5-34.3z"></path></svg></button><button class="social-button twitter"><svg class="svg" xmlns="http://www.w3.org/2000/svg" height="1em" viewBox="0 0 512 512"><path d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg></button></div></div><span class="agreement"><a href="#">Learn user licence agreement</a></span></div><div class="container"> <div class="heading">Sign In</div> <form action="" class="form"> <input required="" class="input" type="email" name="email" id="email" placeholder="E-mail"> <input required="" class="input" type="password" name="password" id="password" placeholder="Password"> <span class="forgot-password"><a href="#">Forgot Password ?</a></span> <input class="login-button" type="submit" value="Sign In"> </form> <div class="social-account-container"> <span class="title">Or Sign in with</span> <div class="social-accounts"> <button class="social-button google"> <svg class="svg" xmlns="http://www.w3.org/2000/svg" height="1em" viewBox="0 0 488 512"> <path d="M488 261.8C488 403.3 391.1 504 248 504 110.8 504 0 393.2 0 256S110.8 8 248 8c66.8 0 123 24.5 166.3 64.9l-67.5 64.9C258.5 52.6 94.3 116.6 94.3 256c0 86.5 69.1 156.6 153.7 156.6 98.2 0 135-70.4 140.8-106.9H248v-85.3h236.1c2.3 12.7 3.9 24.9 3.9 41.4z"></path> </svg></button> <button class="social-button apple"> <svg class="svg" xmlns="http://www.w3.org/2000/svg" height="1em" viewBox="0 0 384 512"> <path d="M318.7 268.7c-.2-36.7 16.4-64.4 50-84.8-18.8-26.9-47.2-41.7-84.7-44.6-35.5-2.8-74.3 20.7-88.5 20.7-15 0-49.4-19.7-76.4-19.7C63.3 141.2 4 184.8 4 273.5q0 39.3 14.4 81.2c12.8 36.7 59 126.7 107.2 125.2 25.2-.6 43-17.9 75.8-17.9 31.8 0 48.3 17.9 76.4 17.9 48.6-.7 90.4-82.5 102.6-119.3-65.2-30.7-61.7-90-61.7-91.9zm-56.6-164.2c27.3-32.4 24.8-61.9 24-72.5-24.1 1.4-52 16.4-67.9 34.9-17.5 19.8-27.8 44.3-25.6 71.9 26.1 2 49.9-11.4 69.5-34.3z"></path> </svg> </button> <button class="social-button twitter"> <svg class="svg" xmlns="http://www.w3.org/2000/svg" height="1em" viewBox="0 0 512 512"> <path d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path> </svg> </button> </div> </div> <span class="agreement"><a href="#">Learn user licence agreement</a></span> </div>
.container {max-width: 350px;background: #F8F9FD;background: linear-gradient(0deg, rgb(255, 255, 255) 0%, rgb(244, 247, 251) 100%);border-radius: 40px;padding: 25px 35px;border: 5px solid rgb(255, 255, 255);box-shadow: rgba(133, 189, 215, 0.8784313725) 0px 30px 30px -20px;margin: 20px;}.heading {text-align: center;font-weight: 900;font-size: 30px;color: rgb(16, 137, 211);}.form {margin-top: 20px;}.form .input {width: 100%;background: white;border: none;padding: 15px 20px;border-radius: 20px;margin-top: 15px;box-shadow: #cff0ff 0px 10px 10px -5px;border-inline: 2px solid transparent;}.form .input::-moz-placeholder {color: rgb(170, 170, 170);}.form .input::placeholder {color: rgb(170, 170, 170);}.form .input:focus {outline: none;border-inline: 2px solid #12B1D1;}.form .forgot-password {display: block;margin-top: 10px;margin-left: 10px;}.form .forgot-password a {font-size: 11px;color: #0099ff;text-decoration: none;}.form .login-button {display: block;width: 100%;font-weight: bold;background: linear-gradient(45deg, rgb(16, 137, 211) 0%, rgb(18, 177, 209) 100%);color: white;padding-block: 15px;margin: 20px auto;border-radius: 20px;box-shadow: rgba(133, 189, 215, 0.8784313725) 0px 20px 10px -15px;border: none;transition: all 0.2s ease-in-out;}.form .login-button:hover {transform: scale(1.03);box-shadow: rgba(133, 189, 215, 0.8784313725) 0px 23px 10px -20px;}.form .login-button:active {transform: scale(0.95);box-shadow: rgba(133, 189, 215, 0.8784313725) 0px 15px 10px -10px;}.social-account-container {margin-top: 25px;}.social-account-container .title {display: block;text-align: center;font-size: 10px;color: rgb(170, 170, 170);}.social-account-container .social-accounts {width: 100%;display: flex;justify-content: center;gap: 15px;margin-top: 5px;}.social-account-container .social-accounts .social-button {background: linear-gradient(45deg, rgb(0, 0, 0) 0%, rgb(112, 112, 112) 100%);border: 5px solid white;padding: 5px;border-radius: 50%;width: 40px;aspect-ratio: 1;display: grid;place-content: center;box-shadow: rgba(133, 189, 215, 0.8784313725) 0px 12px 10px -8px;transition: all 0.2s ease-in-out;}.social-account-container .social-accounts .social-button .svg {fill: white;margin: auto;}.social-account-container .social-accounts .social-button:hover {transform: scale(1.2);}.social-account-container .social-accounts .social-button:active {transform: scale(0.9);}.agreement {display: block;text-align: center;margin-top: 15px;}.agreement a {text-decoration: none;color: #0099ff;font-size: 9px;}.container { max-width: 350px; background: #F8F9FD; background: linear-gradient(0deg, rgb(255, 255, 255) 0%, rgb(244, 247, 251) 100%); border-radius: 40px; padding: 25px 35px; border: 5px solid rgb(255, 255, 255); box-shadow: rgba(133, 189, 215, 0.8784313725) 0px 30px 30px -20px; margin: 20px; } .heading { text-align: center; font-weight: 900; font-size: 30px; color: rgb(16, 137, 211); } .form { margin-top: 20px; } .form .input { width: 100%; background: white; border: none; padding: 15px 20px; border-radius: 20px; margin-top: 15px; box-shadow: #cff0ff 0px 10px 10px -5px; border-inline: 2px solid transparent; } .form .input::-moz-placeholder { color: rgb(170, 170, 170); } .form .input::placeholder { color: rgb(170, 170, 170); } .form .input:focus { outline: none; border-inline: 2px solid #12B1D1; } .form .forgot-password { display: block; margin-top: 10px; margin-left: 10px; } .form .forgot-password a { font-size: 11px; color: #0099ff; text-decoration: none; } .form .login-button { display: block; width: 100%; font-weight: bold; background: linear-gradient(45deg, rgb(16, 137, 211) 0%, rgb(18, 177, 209) 100%); color: white; padding-block: 15px; margin: 20px auto; border-radius: 20px; box-shadow: rgba(133, 189, 215, 0.8784313725) 0px 20px 10px -15px; border: none; transition: all 0.2s ease-in-out; } .form .login-button:hover { transform: scale(1.03); box-shadow: rgba(133, 189, 215, 0.8784313725) 0px 23px 10px -20px; } .form .login-button:active { transform: scale(0.95); box-shadow: rgba(133, 189, 215, 0.8784313725) 0px 15px 10px -10px; } .social-account-container { margin-top: 25px; } .social-account-container .title { display: block; text-align: center; font-size: 10px; color: rgb(170, 170, 170); } .social-account-container .social-accounts { width: 100%; display: flex; justify-content: center; gap: 15px; margin-top: 5px; } .social-account-container .social-accounts .social-button { background: linear-gradient(45deg, rgb(0, 0, 0) 0%, rgb(112, 112, 112) 100%); border: 5px solid white; padding: 5px; border-radius: 50%; width: 40px; aspect-ratio: 1; display: grid; place-content: center; box-shadow: rgba(133, 189, 215, 0.8784313725) 0px 12px 10px -8px; transition: all 0.2s ease-in-out; } .social-account-container .social-accounts .social-button .svg { fill: white; margin: auto; } .social-account-container .social-accounts .social-button:hover { transform: scale(1.2); } .social-account-container .social-accounts .social-button:active { transform: scale(0.9); } .agreement { display: block; text-align: center; margin-top: 15px; } .agreement a { text-decoration: none; color: #0099ff; font-size: 9px; }